5307461991 has 48 divisors (see below), whose sum is σ = 8704253376. Its totient is φ = 3091765248.

The previous prime is 5307461933. The next prime is 5307462001. The reversal of 5307461991 is 1991647035.

It is not a de Polignac number, because 5307461991 - 2⁶ = 5307461927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5307461911) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250861 + ... + 271193.

It is an arithmetic number, because the mean of its divisors is an integer number (181338612).

Almost surely, 2^5307461991 is an apocalyptic number.

5307461991 is a deficient number, since it is larger than the sum of its proper divisors (3396791385).

5307461991 is a wasteful number, since it uses less digits than its factorization.

5307461991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20472 (or 20469 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 5307461991 is about 72852.3300313724. The cubic root of 5307461991 is about 1744.3312616645.

The spelling of 5307461991 in words is "five billion, three hundred seven million, four hundred sixty-one thousand, nine hundred ninety-one".