117453537849 has 32 divisors (see below), whose sum is σ = 158570680320. Its totient is φ = 77326848000.

The previous prime is 117453537847. The next prime is 117453537923. The reversal of 117453537849 is 948735354711.

It is not a de Polignac number, because 117453537849 - 2¹ = 117453537847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117453537841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113044272 + ... + 113045310.

It is an arithmetic number, because the mean of its divisors is an integer number (4955333760).

Almost surely, 2^117453537849 is an apocalyptic number.

It is an amenable number.

117453537849 is a deficient number, since it is larger than the sum of its proper divisors (41117142471).

117453537849 is a wasteful number, since it uses less digits than its factorization.

117453537849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421.

The product of its digits is 12700800, while the sum is 57.

The spelling of 117453537849 in words is "one hundred seventeen billion, four hundred fifty-three million, five hundred thirty-seven thousand, eight hundred forty-nine".