738995146221 has 32 divisors (see below), whose sum is σ = 1021472467200. Its totient is φ = 474663848960.

The previous prime is 738995146187. The next prime is 738995146229. The reversal of 738995146221 is 122641599837.

It is a cyclic number.

It is not a de Polignac number, because 738995146221 - 2⁷ = 738995146093 is a prime.

It is a super-2 number, since 2×738995146221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738995146229) 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, 147530965 + ... + 147535973.

It is an arithmetic number, because the mean of its divisors is an integer number (31921014600).

Almost surely, 2^738995146221 is an apocalyptic number.

It is an amenable number.

738995146221 is a deficient number, since it is larger than the sum of its proper divisors (282477320979).

738995146221 is a wasteful number, since it uses less digits than its factorization.

738995146221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8309.

The product of its digits is 6531840, while the sum is 57.

The spelling of 738995146221 in words is "seven hundred thirty-eight billion, nine hundred ninety-five million, one hundred forty-six thousand, two hundred twenty-one".