674081515563 has 32 divisors (see below), whose sum is σ = 958551293952. Its totient is φ = 420457514400.

The previous prime is 674081515553. The next prime is 674081515571. The reversal of 674081515563 is 365515180476.

674081515563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674081515563 - 2²² = 674077321259 is a prime.

It is a super-2 number, since 2×674081515563² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674081515553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80458 + ... + 1163888.

It is an arithmetic number, because the mean of its divisors is an integer number (29954727936).

Almost surely, 2^674081515563 is an apocalyptic number.

674081515563 is a deficient number, since it is larger than the sum of its proper divisors (284469778389).

674081515563 is a wasteful number, since it uses less digits than its factorization.

674081515563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083655.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 674081515563 in words is "six hundred seventy-four billion, eighty-one million, five hundred fifteen thousand, five hundred sixty-three".