49776763169 has 4 divisors (see below), whose sum is σ = 56887729344. Its totient is φ = 42665796996.

The previous prime is 49776763163. The next prime is 49776763187. The reversal of 49776763169 is 96136767794.

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 49776763169 - 2²⁴ = 49759985953 is a prime.

It is a super-2 number, since 2×49776763169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49776763163) 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, 3555483077 + ... + 3555483090.

It is an arithmetic number, because the mean of its divisors is an integer number (14221932336).

Almost surely, 2^49776763169 is an apocalyptic number.

It is an amenable number.

49776763169 is a deficient number, since it is larger than the sum of its proper divisors (7110966175).

49776763169 is an equidigital number, since it uses as much as digits as its factorization.

49776763169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110966174.

The product of its digits is 72013536, while the sum is 65.

The spelling of 49776763169 in words is "forty-nine billion, seven hundred seventy-six million, seven hundred sixty-three thousand, one hundred sixty-nine".