5721461631 has 12 divisors (see below), whose sum is σ = 8276442408. Its totient is φ = 3808719024.

The previous prime is 5721461617. The next prime is 5721461701. The reversal of 5721461631 is 1361641275.

5721461631 is a `hidden beast` number, since 5 + 7 + 2 + 1 + 4 + 616 + 31 = 666.

It is not a de Polignac number, because 5721461631 - 2²⁷ = 5587243903 is a prime.

It is a super-2 number, since 2×5721461631² = 65470246390010360322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721461611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 459240 + ... + 471533.

It is an arithmetic number, because the mean of its divisors is an integer number (689703534).

Almost surely, 2^5721461631 is an apocalyptic number.

5721461631 is a deficient number, since it is larger than the sum of its proper divisors (2554980777).

5721461631 is a wasteful number, since it uses less digits than its factorization.

5721461631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931462 (or 931459 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 5721461631 is about 75640.3439376104. The cubic root of 5721461631 is about 1788.5551245024. Note that the first 3 decimals are identical.

The spelling of 5721461631 in words is "five billion, seven hundred twenty-one million, four hundred sixty-one thousand, six hundred thirty-one".