674534515415 has 16 divisors (see below), whose sum is σ = 812187595296. Its totient is φ = 537799689600.

The previous prime is 674534515397. The next prime is 674534515439. The reversal of 674534515415 is 514515435476.

It is not a de Polignac number, because 674534515415 - 2³⁶ = 605815038679 is a prime.

It is a super-2 number, since 2×674534515415² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714184 + ... + 2070626.

It is an arithmetic number, because the mean of its divisors is an integer number (50761724706).

Almost surely, 2^674534515415 is an apocalyptic number.

674534515415 is a deficient number, since it is larger than the sum of its proper divisors (137653079881).

674534515415 is a wasteful number, since it uses less digits than its factorization.

674534515415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357730.

The product of its digits is 5040000, while the sum is 50.

The spelling of 674534515415 in words is "six hundred seventy-four billion, five hundred thirty-four million, five hundred fifteen thousand, four hundred fifteen".