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3919411663 = 13129919173
BaseRepresentation
bin1110100110011101…
…0111100111001111
3101010011001202000221
43221213113213033
531011332133123
61444530332211
7166061310106
oct35147274717
911104052027
103919411663
111731450aa2
1291472a067
134a60165cb
1429277703d
1517e15725d
hexe99d79cf

3919411663 has 4 divisors (see below), whose sum is σ = 3949330968. Its totient is φ = 3889492360.

The previous prime is 3919411633. The next prime is 3919411681. The reversal of 3919411663 is 3661149193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3661149193 = 13281626861.

It is a cyclic number.

It is not a de Polignac number, because 3919411663 - 25 = 3919411631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919411603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14959456 + ... + 14959717.

It is an arithmetic number, because the mean of its divisors is an integer number (987332742).

Almost surely, 23919411663 is an apocalyptic number.

3919411663 is a deficient number, since it is larger than the sum of its proper divisors (29919305).

3919411663 is a wasteful number, since it uses less digits than its factorization.

3919411663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29919304.

The product of its digits is 104976, while the sum is 43.

The square root of 3919411663 is about 62605.2047596683. The cubic root of 3919411663 is about 1576.6681461387.

The spelling of 3919411663 in words is "three billion, nine hundred nineteen million, four hundred eleven thousand, six hundred sixty-three".

Divisors: 1 131 29919173 3919411663