7150565621 has 12 divisors (see below), whose sum is σ = 7574670144. Its totient is φ = 6749130600.

The previous prime is 7150565581. The next prime is 7150565623. The reversal of 7150565621 is 1265650517.

It is not a de Polignac number, because 7150565621 - 2¹⁸ = 7150303477 is a prime.

It is a super-2 number, since 2×7150565621² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7150565623) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 61286 + ... + 134376.

It is an arithmetic number, because the mean of its divisors is an integer number (631222512).

Almost surely, 2^7150565621 is an apocalyptic number.

It is an amenable number.

7150565621 is a deficient number, since it is larger than the sum of its proper divisors (424104523).

7150565621 is a wasteful number, since it uses less digits than its factorization.

7150565621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73400 (or 73381 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 7150565621 is about 84561.0171473830. The cubic root of 7150565621 is about 1926.5493229852.

The spelling of 7150565621 in words is "seven billion, one hundred fifty million, five hundred sixty-five thousand, six hundred twenty-one".