5309545631 has 4 divisors (see below), whose sum is σ = 5717972232. Its totient is φ = 4901119032.

The previous prime is 5309545627. The next prime is 5309545667. The reversal of 5309545631 is 1365459035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5309545631 - 2² = 5309545627 is a prime.

It is a super-2 number, since 2×5309545631² = 56382549615342376322, which 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 (5309545601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204213281 + ... + 204213306.

It is an arithmetic number, because the mean of its divisors is an integer number (1429493058).

Almost surely, 2^5309545631 is an apocalyptic number.

5309545631 is a deficient number, since it is larger than the sum of its proper divisors (408426601).

5309545631 is a wasteful number, since it uses less digits than its factorization.

5309545631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408426600.

The product of its (nonzero) digits is 243000, while the sum is 41.

The square root of 5309545631 is about 72866.6290629668. The cubic root of 5309545631 is about 1744.5594989948.

The spelling of 5309545631 in words is "five billion, three hundred nine million, five hundred forty-five thousand, six hundred thirty-one".