353628802561 has 2 divisors, whose sum is σ = 353628802562. Its totient is φ = 353628802560.

The previous prime is 353628802529. The next prime is 353628802577. The reversal of 353628802561 is 165208826353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241650896400 + 111977906161 = 491580^2 + 334631^2 .

It is a cyclic number.

It is not a de Polignac number, because 353628802561 - 2⁵ = 353628802529 is a prime.

It is not a weakly prime, because it can be changed into another prime (353628802361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176814401280 + 176814401281.

It is an arithmetic number, because the mean of its divisors is an integer number (176814401281).

Almost surely, 2^353628802561 is an apocalyptic number.

It is an amenable number.

353628802561 is a deficient number, since it is larger than the sum of its proper divisors (1).

353628802561 is an equidigital number, since it uses as much as digits as its factorization.

353628802561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 353628802561 in words is "three hundred fifty-three billion, six hundred twenty-eight million, eight hundred two thousand, five hundred sixty-one".