674437358155 has 8 divisors (see below), whose sum is σ = 882899814384. Its totient is φ = 490499896800.

The previous prime is 674437358129. The next prime is 674437358173. The reversal of 674437358155 is 551853734476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-674437358155 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 674437358155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131248656 + ... + 6131248765.

It is an arithmetic number, because the mean of its divisors is an integer number (110362476798).

Almost surely, 2^674437358155 is an apocalyptic number.

674437358155 is a deficient number, since it is larger than the sum of its proper divisors (208462456229).

674437358155 is a wasteful number, since it uses less digits than its factorization.

674437358155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262497437.

The product of its digits is 42336000, while the sum is 58.

The spelling of 674437358155 in words is "six hundred seventy-four billion, four hundred thirty-seven million, three hundred fifty-eight thousand, one hundred fifty-five".