5644312451 has 2 divisors, whose sum is σ = 5644312452. Its totient is φ = 5644312450.

The previous prime is 5644312417. The next prime is 5644312459. The reversal of 5644312451 is 1542134465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5644312451 is a prime.

It is not a weakly prime, because it can be changed into another prime (5644312459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822156225 + 2822156226.

It is an arithmetic number, because the mean of its divisors is an integer number (2822156226).

Almost surely, 2^5644312451 is an apocalyptic number.

5644312451 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644312451 is an equidigital number, since it uses as much as digits as its factorization.

5644312451 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5644312451 is about 75128.6393527794. The cubic root of 5644312451 is about 1780.4796555905.

The spelling of 5644312451 in words is "five billion, six hundred forty-four million, three hundred twelve thousand, four hundred fifty-one".