49669531263 has 32 divisors (see below), whose sum is σ = 80352345600. Its totient is φ = 30073363200.

The previous prime is 49669531147. The next prime is 49669531279. The reversal of 49669531263 is 36213596694.

49669531263 is a `hidden beast` number, since 49 + 6 + 6 + 9 + 531 + 2 + 63 = 666.

It is not a de Polignac number, because 49669531263 - 2¹⁴ = 49669514879 is a prime.

It is a super-2 number, since 2×49669531263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49669531063) 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 in 31 ways as a sum of consecutive naturals, for example, 225103 + ... + 387311.

It is an arithmetic number, because the mean of its divisors is an integer number (2511010800).

Almost surely, 2^49669531263 is an apocalyptic number.

49669531263 is a deficient number, since it is larger than the sum of its proper divisors (30682814337).

49669531263 is a wasteful number, since it uses less digits than its factorization.

49669531263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163260 (or 163254 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 49669531263 in words is "forty-nine billion, six hundred sixty-nine million, five hundred thirty-one thousand, two hundred sixty-three".