49508644785 has 16 divisors (see below), whose sum is σ = 79260223680. Its totient is φ = 26389146560.

The previous prime is 49508644781. The next prime is 49508644837. The reversal of 49508644785 is 58744680594.

It is a happy number.

It is not a de Polignac number, because 49508644785 - 2² = 49508644781 is a prime.

It is a super-2 number, since 2×49508644785² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49508644781) 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, 940011 + ... + 991280.

It is an arithmetic number, because the mean of its divisors is an integer number (4953763980).

Almost surely, 2^49508644785 is an apocalyptic number.

It is an amenable number.

49508644785 is a deficient number, since it is larger than the sum of its proper divisors (29751578895).

49508644785 is a wasteful number, since it uses less digits than its factorization.

49508644785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933008.

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 49508644785 in words is "forty-nine billion, five hundred eight million, six hundred forty-four thousand, seven hundred eighty-five".