49850131969 has 16 divisors (see below), whose sum is σ = 55355351040. Its totient is φ = 44508580560.

The previous prime is 49850131913. The next prime is 49850131987. The reversal of 49850131969 is 96913105894.

It is a cyclic number.

It is not a de Polignac number, because 49850131969 - 2¹⁷ = 49850000897 is a prime.

It is a super-2 number, since 2×49850131969² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49850135969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670132 + ... + 740794.

It is an arithmetic number, because the mean of its divisors is an integer number (3459709440).

Almost surely, 2^49850131969 is an apocalyptic number.

It is an amenable number.

49850131969 is a deficient number, since it is larger than the sum of its proper divisors (5505219071).

49850131969 is a wasteful number, since it uses less digits than its factorization.

49850131969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71820.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The spelling of 49850131969 in words is "forty-nine billion, eight hundred fifty million, one hundred thirty-one thousand, nine hundred sixty-nine".