49971137534 has 16 divisors (see below), whose sum is σ = 75893545728. Its totient is φ = 24673556952.

The previous prime is 49971137533. The next prime is 49971137561. The reversal of 49971137534 is 43573117994.

It is a super-2 number, since 2×49971137534² (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 (49971137533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313829 + ... + 445455.

It is an arithmetic number, because the mean of its divisors is an integer number (4743346608).

Almost surely, 2^49971137534 is an apocalyptic number.

49971137534 is a deficient number, since it is larger than the sum of its proper divisors (25922408194).

49971137534 is a wasteful number, since it uses less digits than its factorization.

49971137534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133999.

The product of its digits is 2857680, while the sum is 53.

The spelling of 49971137534 in words is "forty-nine billion, nine hundred seventy-one million, one hundred thirty-seven thousand, five hundred thirty-four".