49691751093 has 6 divisors (see below), whose sum is σ = 71776973814. Its totient is φ = 33127834056.

The previous prime is 49691751079. The next prime is 49691751119. The reversal of 49691751093 is 39015719694.

49691751093 is a `hidden beast` number, since 496 + 9 + 17 + 51 + 0 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27125101809 + 22566649284 = 164697^2 + 150222^2 .

It is not a de Polignac number, because 49691751093 - 2⁸ = 49691750837 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691751013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2760652830 + ... + 2760652847.

It is an arithmetic number, because the mean of its divisors is an integer number (11962828969).

Almost surely, 2^49691751093 is an apocalyptic number.

It is an amenable number.

49691751093 is a deficient number, since it is larger than the sum of its proper divisors (22085222721).

49691751093 is a wasteful number, since it uses less digits than its factorization.

49691751093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521305683 (or 5521305680 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 49691751093 in words is "forty-nine billion, six hundred ninety-one million, seven hundred fifty-one thousand, ninety-three".