49249543537 has 2 divisors, whose sum is σ = 49249543538. Its totient is φ = 49249543536.

The previous prime is 49249543531. The next prime is 49249543619. The reversal of 49249543537 is 73534594294.

It is a happy number.

49249543537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34404314256 + 14845229281 = 185484^2 + 121841^2 .

It is a cyclic number.

It is not a de Polignac number, because 49249543537 - 2³ = 49249543529 is a prime.

It is not a weakly prime, because it can be changed into another prime (49249543531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24624771768 + 24624771769.

It is an arithmetic number, because the mean of its divisors is an integer number (24624771769).

Almost surely, 2^49249543537 is an apocalyptic number.

It is an amenable number.

49249543537 is a deficient number, since it is larger than the sum of its proper divisors (1).

49249543537 is an equidigital number, since it uses as much as digits as its factorization.

49249543537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 55.

The spelling of 49249543537 in words is "forty-nine billion, two hundred forty-nine million, five hundred forty-three thousand, five hundred thirty-seven".