356674495561 has 4 divisors (see below), whose sum is σ = 356675691472. Its totient is φ = 356673299652.

The previous prime is 356674495537. The next prime is 356674495571. The reversal of 356674495561 is 165594476653.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 356674495561 - 2⁹ = 356674495049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 356674495561.

It is not an unprimeable number, because it can be changed into a prime (356674495501) 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, 254590 + ... + 882136.

It is an arithmetic number, because the mean of its divisors is an integer number (89168922868).

Almost surely, 2^356674495561 is an apocalyptic number.

It is an amenable number.

356674495561 is a deficient number, since it is larger than the sum of its proper divisors (1195911).

356674495561 is an equidigital number, since it uses as much as digits as its factorization.

356674495561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195910.

The product of its digits is 81648000, while the sum is 61.

The spelling of 356674495561 in words is "three hundred fifty-six billion, six hundred seventy-four million, four hundred ninety-five thousand, five hundred sixty-one".