674221652323637 has 16 divisors (see below), whose sum is σ = 759597424289280. Its totient is φ = 592878270028800.

The previous prime is 674221652323627. The next prime is 674221652323657. The reversal of 674221652323637 is 736323256122476.

It is a happy number.

674221652323637 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 674221652323637 - 2¹² = 674221652319541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674221652323627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463621028 + ... + 465073005.

It is an arithmetic number, because the mean of its divisors is an integer number (47474839018080).

Almost surely, 2^{674221652323637} is an apocalyptic number.

It is an amenable number.

674221652323637 is a deficient number, since it is larger than the sum of its proper divisors (85375771965643).

674221652323637 is a wasteful number, since it uses less digits than its factorization.

674221652323637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928696204.

The product of its digits is 91445760, while the sum is 59.

The spelling of 674221652323637 in words is "six hundred seventy-four trillion, two hundred twenty-one billion, six hundred fifty-two million, three hundred twenty-three thousand, six hundred thirty-seven".