674113891145 has 16 divisors (see below), whose sum is σ = 855670960512. Its totient is φ = 508777315200.

The previous prime is 674113891123. The next prime is 674113891261. The reversal of 674113891145 is 541198311476.

674113891145 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 674113891145 - 2¹⁸ = 674113629001 is a prime.

It is a super-2 number, since 2×674113891145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674113891093 and 674113891102.

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, 40141331 + ... + 40158120.

It is an arithmetic number, because the mean of its divisors is an integer number (53479435032).

Almost surely, 2^674113891145 is an apocalyptic number.

It is an amenable number.

674113891145 is a deficient number, since it is larger than the sum of its proper divisors (181557069367).

674113891145 is a wasteful number, since it uses less digits than its factorization.

674113891145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80299552.

The product of its digits is 725760, while the sum is 50.

The spelling of 674113891145 in words is "six hundred seventy-four billion, one hundred thirteen million, eight hundred ninety-one thousand, one hundred forty-five".