351405777413 has 2 divisors, whose sum is σ = 351405777414. Its totient is φ = 351405777412.

The previous prime is 351405777407. The next prime is 351405777427. The reversal of 351405777413 is 314777504153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348422214529 + 2983562884 = 590273^2 + 54622^2 .

It is a cyclic number.

It is not a de Polignac number, because 351405777413 - 2²⁸ = 351137341957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351405777473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175702888706 + 175702888707.

It is an arithmetic number, because the mean of its divisors is an integer number (175702888707).

Almost surely, 2^351405777413 is an apocalyptic number.

It is an amenable number.

351405777413 is a deficient number, since it is larger than the sum of its proper divisors (1).

351405777413 is an equidigital number, since it uses as much as digits as its factorization.

351405777413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 351405777413 in words is "three hundred fifty-one billion, four hundred five million, seven hundred seventy-seven thousand, four hundred thirteen".