355056421339 has 2 divisors, whose sum is σ = 355056421340. Its totient is φ = 355056421338.

The previous prime is 355056421337. The next prime is 355056421351. The reversal of 355056421339 is 933124650553.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355056421339 - 2¹ = 355056421337 is a prime.

Together with 355056421337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (355056421337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177528210669 + 177528210670.

It is an arithmetic number, because the mean of its divisors is an integer number (177528210670).

Almost surely, 2^355056421339 is an apocalyptic number.

355056421339 is a deficient number, since it is larger than the sum of its proper divisors (1).

355056421339 is an equidigital number, since it uses as much as digits as its factorization.

355056421339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 355056421339 in words is "three hundred fifty-five billion, fifty-six million, four hundred twenty-one thousand, three hundred thirty-nine".