49771761313 has 4 divisors (see below), whose sum is σ = 49772620080. Its totient is φ = 49770902548.

The previous prime is 49771761311. The next prime is 49771761341. The reversal of 49771761313 is 31316717794.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49771761313 - 2¹ = 49771761311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49771761311) 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 in 3 ways as a sum of consecutive naturals, for example, 335623 + ... + 460636.

It is an arithmetic number, because the mean of its divisors is an integer number (12443155020).

Almost surely, 2^49771761313 is an apocalyptic number.

It is an amenable number.

49771761313 is a deficient number, since it is larger than the sum of its proper divisors (858767).

49771761313 is an equidigital number, since it uses as much as digits as its factorization.

49771761313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858766.

The product of its digits is 666792, while the sum is 49.

The spelling of 49771761313 in words is "forty-nine billion, seven hundred seventy-one million, seven hundred sixty-one thousand, three hundred thirteen".