5065317621 has 36 divisors (see below), whose sum is σ = 9165823212. Its totient is φ = 2671812864.

The previous prime is 5065317611. The next prime is 5065317661. The reversal of 5065317621 is 1267135605.

5065317621 is a `hidden beast` number, since 50 + 6 + 531 + 76 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 381420900 + 4683896721 = 19530^2 + 68439^2 .

It is not a de Polignac number, because 5065317621 - 2⁹ = 5065317109 is a prime.

It is a super-2 number, since 2×5065317621² = 51314885203226199282, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065317601) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 436036 + ... + 447501.

Almost surely, 2^5065317621 is an apocalyptic number.

It is an amenable number.

5065317621 is a deficient number, since it is larger than the sum of its proper divisors (4100505591).

5065317621 is a wasteful number, since it uses less digits than its factorization.

5065317621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883570 (or 883560 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5065317621 is about 71171.0448216127. The cubic root of 5065317621 is about 1717.3898598987.

The spelling of 5065317621 in words is "five billion, sixty-five million, three hundred seventeen thousand, six hundred twenty-one".