5644231251 has 8 divisors (see below), whose sum is σ = 7968326544. Its totient is φ = 3541478400.

The previous prime is 5644231249. The next prime is 5644231277. The reversal of 5644231251 is 1521324465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5644231251 - 2¹ = 5644231249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5644231291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55335550 + ... + 55335651.

It is an arithmetic number, because the mean of its divisors is an integer number (996040818).

Almost surely, 2^5644231251 is an apocalyptic number.

5644231251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5644231251 is a deficient number, since it is larger than the sum of its proper divisors (2324095293).

5644231251 is a wasteful number, since it uses less digits than its factorization.

5644231251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110671221.

The product of its digits is 28800, while the sum is 33.

The square root of 5644231251 is about 75128.0989444030. The cubic root of 5644231251 is about 1780.4711174592.

The spelling of 5644231251 in words is "five billion, six hundred forty-four million, two hundred thirty-one thousand, two hundred fifty-one".