5621629797 has 24 divisors (see below), whose sum is σ = 9623862976. Its totient is φ = 3212358912.

The previous prime is 5621629747. The next prime is 5621629823. The reversal of 5621629797 is 7979261265.

5621629797 is a `hidden beast` number, since 5 + 6 + 2 + 1 + 629 + 7 + 9 + 7 = 666.

It is not a de Polignac number, because 5621629797 - 2⁶ = 5621629733 is a prime.

It is a super-2 number, since 2×5621629797² = 63205443149036522418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5621629747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1650748 + ... + 1654149.

Almost surely, 2^5621629797 is an apocalyptic number.

It is an amenable number.

5621629797 is a deficient number, since it is larger than the sum of its proper divisors (4002233179).

5621629797 is an equidigital number, since it uses as much as digits as its factorization.

5621629797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304919 (or 3304907 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 5621629797 is about 74977.5286135786. The cubic root of 5621629797 is about 1778.0913975083.

The spelling of 5621629797 in words is "five billion, six hundred twenty-one million, six hundred twenty-nine thousand, seven hundred ninety-seven".