4544139577 has 2 divisors, whose sum is σ = 4544139578. Its totient is φ = 4544139576.

The previous prime is 4544139547. The next prime is 4544139631. The reversal of 4544139577 is 7759314454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3200843776 + 1343295801 = 56576^2 + 36651^2 .

It is a cyclic number.

It is not a de Polignac number, because 4544139577 - 2⁷ = 4544139449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4544139577.

It is not a weakly prime, because it can be changed into another prime (4544139517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272069788 + 2272069789.

It is an arithmetic number, because the mean of its divisors is an integer number (2272069789).

Almost surely, 2^4544139577 is an apocalyptic number.

It is an amenable number.

4544139577 is a deficient number, since it is larger than the sum of its proper divisors (1).

4544139577 is an equidigital number, since it uses as much as digits as its factorization.

4544139577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 49.

The square root of 4544139577 is about 67410.2334738577. The cubic root of 4544139577 is about 1656.3440586013.

The spelling of 4544139577 in words is "four billion, five hundred forty-four million, one hundred thirty-nine thousand, five hundred seventy-seven".