49775609731 has 8 divisors (see below), whose sum is σ = 52820974800. Its totient is φ = 46743287808.

The previous prime is 49775609693. The next prime is 49775609771. The reversal of 49775609731 is 13790657794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49775609731 is a prime.

It is a super-2 number, since 2×49775609731² (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 (49775609771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252921 + ... + 3268186.

It is an arithmetic number, because the mean of its divisors is an integer number (6602621850).

Almost surely, 2^49775609731 is an apocalyptic number.

49775609731 is a deficient number, since it is larger than the sum of its proper divisors (3045365069).

49775609731 is a wasteful number, since it uses less digits than its factorization.

49775609731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521573.

The product of its (nonzero) digits is 10001880, while the sum is 58.

The spelling of 49775609731 in words is "forty-nine billion, seven hundred seventy-five million, six hundred nine thousand, seven hundred thirty-one".