49175638690 has 16 divisors (see below), whose sum is σ = 93174894720. Its totient is φ = 18634978800.

The previous prime is 49175638679. The next prime is 49175638697. The reversal of 49175638690 is 9683657194.

It is a super-2 number, since 2×49175638690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49175638697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129409386 + ... + 129409765.

It is an arithmetic number, because the mean of its divisors is an integer number (5823430920).

Almost surely, 2^49175638690 is an apocalyptic number.

49175638690 is a deficient number, since it is larger than the sum of its proper divisors (43999256030).

49175638690 is a wasteful number, since it uses less digits than its factorization.

49175638690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258819177.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 49175638690 in words is "forty-nine billion, one hundred seventy-five million, six hundred thirty-eight thousand, six hundred ninety".