5544319691 has 2 divisors, whose sum is σ = 5544319692. Its totient is φ = 5544319690.

The previous prime is 5544319679. The next prime is 5544319709. The reversal of 5544319691 is 1969134455.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5544319691 - 2²² = 5540125387 is a prime.

It is not a weakly prime, because it can be changed into another prime (5544319601) 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 as a sum of consecutive naturals, namely, 2772159845 + 2772159846.

It is an arithmetic number, because the mean of its divisors is an integer number (2772159846).

Almost surely, 2^5544319691 is an apocalyptic number.

5544319691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5544319691 is an equidigital number, since it uses as much as digits as its factorization.

5544319691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 583200, while the sum is 47.

The square root of 5544319691 is about 74460.1886312411. The cubic root of 5544319691 is about 1769.9028206937.

The spelling of 5544319691 in words is "five billion, five hundred forty-four million, three hundred nineteen thousand, six hundred ninety-one".