356641653242641 has 12 divisors (see below), whose sum is σ = 387621567694620. Its totient is φ = 327983859503040.

The previous prime is 356641653242627. The next prime is 356641653242653. The reversal of 356641653242641 is 146242356146653.

It can be written as a sum of positive squares in 6 ways, for example, as 185433038064400 + 171208615178241 = 13617380^2 + 13084671^2 .

It is not a de Polignac number, because 356641653242641 - 2¹⁹ = 356641652718353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356641653248641) 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 in 11 ways as a sum of consecutive naturals, for example, 3922455730 + ... + 3922546651.

It is an arithmetic number, because the mean of its divisors is an integer number (32301797307885).

Almost surely, 2^{356641653242641} is an apocalyptic number.

It is an amenable number.

356641653242641 is a deficient number, since it is larger than the sum of its proper divisors (30979914451979).

356641653242641 is a wasteful number, since it uses less digits than its factorization.

356641653242641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845002676 (or 7845002663 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 58.

The spelling of 356641653242641 in words is "three hundred fifty-six trillion, six hundred forty-one billion, six hundred fifty-three million, two hundred forty-two thousand, six hundred forty-one".