5444651231 has 4 divisors (see below), whose sum is σ = 5445117432. Its totient is φ = 5444185032.

The previous prime is 5444651209. The next prime is 5444651263. The reversal of 5444651231 is 1321564445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5444651231 is a prime.

It is a super-2 number, since 2×5444651231² = 59288454054459630722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5444651191 and 5444651200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5444651281) 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, 215120 + ... + 239093.

It is an arithmetic number, because the mean of its divisors is an integer number (1361279358).

Almost surely, 2^5444651231 is an apocalyptic number.

5444651231 is a deficient number, since it is larger than the sum of its proper divisors (466201).

5444651231 is a wasteful number, since it uses less digits than its factorization.

5444651231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466200.

The product of its digits is 57600, while the sum is 35.

The square root of 5444651231 is about 73787.8799736108. The cubic root of 5444651231 is about 1759.2329679995.

The spelling of 5444651231 in words is "five billion, four hundred forty-four million, six hundred fifty-one thousand, two hundred thirty-one".