355357469947 has 2 divisors, whose sum is σ = 355357469948. Its totient is φ = 355357469946.

The previous prime is 355357469941. The next prime is 355357469977. The reversal of 355357469947 is 749964753553.

It is a weak prime.

It is an emirp because it is prime and its reverse (749964753553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355357469947 - 2¹⁵ = 355357437179 is a prime.

It is not a weakly prime, because it can be changed into another prime (355357469941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177678734973 + 177678734974.

It is an arithmetic number, because the mean of its divisors is an integer number (177678734974).

Almost surely, 2^355357469947 is an apocalyptic number.

355357469947 is a deficient number, since it is larger than the sum of its proper divisors (1).

355357469947 is an equidigital number, since it uses as much as digits as its factorization.

355357469947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652000, while the sum is 67.

The spelling of 355357469947 in words is "three hundred fifty-five billion, three hundred fifty-seven million, four hundred sixty-nine thousand, nine hundred forty-seven".