351235906513 has 2 divisors, whose sum is σ = 351235906514. Its totient is φ = 351235906512.

The previous prime is 351235906499. The next prime is 351235906561. The reversal of 351235906513 is 315609532153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 249428327184 + 101807579329 = 499428^2 + 319073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351235906513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 351235906513.

It is not a weakly prime, because it can be changed into another prime (351235006513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175617953256 + 175617953257.

It is an arithmetic number, because the mean of its divisors is an integer number (175617953257).

Almost surely, 2^351235906513 is an apocalyptic number.

It is an amenable number.

351235906513 is a deficient number, since it is larger than the sum of its proper divisors (1).

351235906513 is an equidigital number, since it uses as much as digits as its factorization.

351235906513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 43.

The spelling of 351235906513 in words is "three hundred fifty-one billion, two hundred thirty-five million, nine hundred six thousand, five hundred thirteen".