49691908725 has 12 divisors (see below), whose sum is σ = 82157289216. Its totient is φ = 26502351280.

The previous prime is 49691908711. The next prime is 49691908729. The reversal of 49691908725 is 52780919694.

It is not a de Polignac number, because 49691908725 - 2⁴ = 49691908709 is a prime.

It is a super-2 number, since 2×49691908725² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49691908729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331279317 + ... + 331279466.

It is an arithmetic number, because the mean of its divisors is an integer number (6846440768).

Almost surely, 2^49691908725 is an apocalyptic number.

It is an amenable number.

49691908725 is a deficient number, since it is larger than the sum of its proper divisors (32465380491).

49691908725 is a wasteful number, since it uses less digits than its factorization.

49691908725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662558796 (or 662558791 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 49691908725 in words is "forty-nine billion, six hundred ninety-one million, nine hundred eight thousand, seven hundred twenty-five".