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39394425419 = 40609970091
BaseRepresentation
bin100100101100000101…
…110011101001001011
310202200110120011100022
4210230011303221023
51121134433103134
630033023131055
72563142043146
oct445405635113
9122613504308
1039394425419
1115786142988
127775143a8b
13393a7844cb
141c99db305d
15105876752e
hex92c173a4b

39394425419 has 4 divisors (see below), whose sum is σ = 39395436120. Its totient is φ = 39393414720.

The previous prime is 39394425407. The next prime is 39394425439. The reversal of 39394425419 is 91452449393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91452449393 = 261734945529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-39394425419 is a prime.

It is a super-2 number, since 2×393944254192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39394425439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444437 + ... + 525654.

It is an arithmetic number, because the mean of its divisors is an integer number (9848859030).

Almost surely, 239394425419 is an apocalyptic number.

39394425419 is a deficient number, since it is larger than the sum of its proper divisors (1010701).

39394425419 is an equidigital number, since it uses as much as digits as its factorization.

39394425419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010700.

The product of its digits is 4199040, while the sum is 53.

The spelling of 39394425419 in words is "thirty-nine billion, three hundred ninety-four million, four hundred twenty-five thousand, four hundred nineteen".

Divisors: 1 40609 970091 39394425419