355079068639 has 2 divisors, whose sum is σ = 355079068640. Its totient is φ = 355079068638.

The previous prime is 355079068583. The next prime is 355079068781. The reversal of 355079068639 is 936860970553.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355079068639 is a prime.

It is a super-2 number, since 2×355079068639² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355079068039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177539534319 + 177539534320.

It is an arithmetic number, because the mean of its divisors is an integer number (177539534320).

Almost surely, 2^355079068639 is an apocalyptic number.

355079068639 is a deficient number, since it is larger than the sum of its proper divisors (1).

355079068639 is an equidigital number, since it uses as much as digits as its factorization.

355079068639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 61.

The spelling of 355079068639 in words is "three hundred fifty-five billion, seventy-nine million, sixty-eight thousand, six hundred thirty-nine".