5907018421 has 6 divisors (see below), whose sum is σ = 6035375990. Its totient is φ = 5781335016.

The previous prime is 5907018413. The next prime is 5907018449. The reversal of 5907018421 is 1248107095.

It can be written as a sum of positive squares in only one way, i.e., 4097792196 + 1809226225 = 64014^2 + 42535^2 .

It is not a de Polignac number, because 5907018421 - 2³ = 5907018413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5907018121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1334826 + ... + 1339243.

Almost surely, 2^5907018421 is an apocalyptic number.

It is an amenable number.

5907018421 is a deficient number, since it is larger than the sum of its proper divisors (128357569).

5907018421 is an equidigital number, since it uses as much as digits as its factorization.

5907018421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674163 (or 2674116 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 5907018421 is about 76857.1299294997. The cubic root of 5907018421 is about 1807.6850864327.

The spelling of 5907018421 in words is "five billion, nine hundred seven million, eighteen thousand, four hundred twenty-one".