49249549537 has 2 divisors, whose sum is σ = 49249549538. Its totient is φ = 49249549536.

The previous prime is 49249549471. The next prime is 49249549553. The reversal of 49249549537 is 73594594294.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40073633856 + 9175915681 = 200184^2 + 95791^2 .

It is a cyclic number.

It is not a de Polignac number, because 49249549537 - 2⁷ = 49249549409 is a prime.

It is not a weakly prime, because it can be changed into another prime (49249543537) 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, 24624774768 + 24624774769.

It is an arithmetic number, because the mean of its divisors is an integer number (24624774769).

Almost surely, 2^49249549537 is an apocalyptic number.

It is an amenable number.

49249549537 is a deficient number, since it is larger than the sum of its proper divisors (1).

49249549537 is an equidigital number, since it uses as much as digits as its factorization.

49249549537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48988800, while the sum is 61.

The spelling of 49249549537 in words is "forty-nine billion, two hundred forty-nine million, five hundred forty-nine thousand, five hundred thirty-seven".