674221652320063 has 32 divisors (see below), whose sum is σ = 709277730577920. Its totient is φ = 639653238935040.

The previous prime is 674221652320061. The next prime is 674221652320087. The reversal of 674221652320063 is 360023256122476.

It is not a de Polignac number, because 674221652320063 - 2¹ = 674221652320061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674221652319989 and 674221652320016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674221652320061) 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, 19621695003 + ... + 19621729363.

It is an arithmetic number, because the mean of its divisors is an integer number (22164929080560).

Almost surely, 2^{674221652320063} is an apocalyptic number.

674221652320063 is a deficient number, since it is larger than the sum of its proper divisors (35056078257857).

674221652320063 is a wasteful number, since it uses less digits than its factorization.

674221652320063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40239.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 674221652320063 in words is "six hundred seventy-four trillion, two hundred twenty-one billion, six hundred fifty-two million, three hundred twenty thousand, sixty-three".