356520660443 has 4 divisors (see below), whose sum is σ = 357160734000. Its totient is φ = 355880586888.

The previous prime is 356520660439. The next prime is 356520660467. The reversal of 356520660443 is 344066025653.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 356520660443 - 2² = 356520660439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 356520660394 and 356520660403.

It is not an unprimeable number, because it can be changed into a prime (356520668443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320035943 + ... + 320037056.

It is an arithmetic number, because the mean of its divisors is an integer number (89290183500).

Almost surely, 2^356520660443 is an apocalyptic number.

356520660443 is a deficient number, since it is larger than the sum of its proper divisors (640073557).

356520660443 is an equidigital number, since it uses as much as digits as its factorization.

356520660443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640073556.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 356520660443 in words is "three hundred fifty-six billion, five hundred twenty million, six hundred sixty thousand, four hundred forty-three".