5731423481 has 4 divisors (see below), whose sum is σ = 6550198272. Its totient is φ = 4912648692.

The previous prime is 5731423471. The next prime is 5731423493. The reversal of 5731423481 is 1843241375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-5731423481 is a prime.

It is a super-2 number, since 2×5731423481² = 65698430237116314722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5731423471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409387385 + ... + 409387398.

It is an arithmetic number, because the mean of its divisors is an integer number (1637549568).

Almost surely, 2^5731423481 is an apocalyptic number.

It is an amenable number.

5731423481 is a deficient number, since it is larger than the sum of its proper divisors (818774791).

5731423481 is an equidigital number, since it uses as much as digits as its factorization.

5731423481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818774790.

The product of its digits is 80640, while the sum is 38.

The square root of 5731423481 is about 75706.1654094302. The cubic root of 5731423481 is about 1789.5925626145.

The spelling of 5731423481 in words is "five billion, seven hundred thirty-one million, four hundred twenty-three thousand, four hundred eighty-one".