352120415403391 has 2 divisors, whose sum is σ = 352120415403392. Its totient is φ = 352120415403390.

The previous prime is 352120415403277. The next prime is 352120415403443. The reversal of 352120415403391 is 193304514021253.

It is a strong prime.

It is an emirp because it is prime and its reverse (193304514021253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 352120415403391 - 2²⁹ = 352119878532479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352120415403091) 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, 176060207701695 + 176060207701696.

It is an arithmetic number, because the mean of its divisors is an integer number (176060207701696).

Almost surely, 2^{352120415403391} is an apocalyptic number.

352120415403391 is a deficient number, since it is larger than the sum of its proper divisors (1).

352120415403391 is an equidigital number, since it uses as much as digits as its factorization.

352120415403391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 352120415403391 in words is "three hundred fifty-two trillion, one hundred twenty billion, four hundred fifteen million, four hundred three thousand, three hundred ninety-one".