5431263605 has 4 divisors (see below), whose sum is σ = 6517516332. Its totient is φ = 4345010880.

The previous prime is 5431263589. The next prime is 5431263619. The reversal of 5431263605 is 5063621345.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1595443249 + 3835820356 = 39943^2 + 61934^2 .

It is not a de Polignac number, because 5431263605 - 2⁴ = 5431263589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543126356 + ... + 543126365.

It is an arithmetic number, because the mean of its divisors is an integer number (1629379083).

Almost surely, 2^5431263605 is an apocalyptic number.

It is an amenable number.

5431263605 is a deficient number, since it is larger than the sum of its proper divisors (1086252727).

5431263605 is a wasteful number, since it uses less digits than its factorization.

5431263605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086252726.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 5431263605 is about 73697.1071684635. The cubic root of 5431263605 is about 1757.7898830296.

The spelling of 5431263605 in words is "five billion, four hundred thirty-one million, two hundred sixty-three thousand, six hundred five".