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39069870793 is a prime number
BaseRepresentation
bin100100011000101111…
…101110101011001001
310201211211212002002121
4210120233232223021
51120003341331133
625540510531241
72552121264562
oct443057565311
9121754762077
1039069870793
1115629a18218
1276a4506b21
1338b846a155
141c68c4b169
15103a00802d
hex918beeac9

39069870793 has 2 divisors, whose sum is σ = 39069870794. Its totient is φ = 39069870792.

The previous prime is 39069870751. The next prime is 39069870799. The reversal of 39069870793 is 39707896093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24499449529 + 14570421264 = 156523^2 + 120708^2 .

It is an emirp because it is prime and its reverse (39707896093) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-39069870793 is a prime.

It is not a weakly prime, because it can be changed into another prime (39069870799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19534935396 + 19534935397.

It is an arithmetic number, because the mean of its divisors is an integer number (19534935397).

Almost surely, 239069870793 is an apocalyptic number.

It is an amenable number.

39069870793 is a deficient number, since it is larger than the sum of its proper divisors (1).

39069870793 is an equidigital number, since it uses as much as digits as its factorization.

39069870793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 39069870793 in words is "thirty-nine billion, sixty-nine million, eight hundred seventy thousand, seven hundred ninety-three".