5456641431 has 4 divisors (see below), whose sum is σ = 7275521912. Its totient is φ = 3637760952.

The previous prime is 5456641397. The next prime is 5456641439. The reversal of 5456641431 is 1341466545.

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

It is not a de Polignac number, because 5456641431 - 2⁹ = 5456640919 is a prime.

It is a super-2 number, since 2×5456641431² = 59549871413011455522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5456641431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456641439) 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, 909440236 + ... + 909440241.

It is an arithmetic number, because the mean of its divisors is an integer number (1818880478).

Almost surely, 2^5456641431 is an apocalyptic number.

5456641431 is a deficient number, since it is larger than the sum of its proper divisors (1818880481).

5456641431 is a wasteful number, since it uses less digits than its factorization.

5456641431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818880480.

The product of its digits is 172800, while the sum is 39.

The square root of 5456641431 is about 73869.0830523840. The cubic root of 5456641431 is about 1760.5234142922.

The spelling of 5456641431 in words is "five billion, four hundred fifty-six million, six hundred forty-one thousand, four hundred thirty-one".