109437950538 has 36 divisors (see below), whose sum is σ = 275828306130. Its totient is φ = 31267985616.

The previous prime is 109437950519. The next prime is 109437950561. The reversal of 109437950538 is 835059734901.

109437950538 is a `hidden beast` number, since 10 + 9 + 4 + 3 + 7 + 95 + 0 + 538 = 666.

It can be written as a sum of positive squares in only one way, i.e., 66101952609 + 43335997929 = 257103^2 + 208173^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 62038773 + ... + 62040536.

Almost surely, 2^109437950538 is an apocalyptic number.

109437950538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109437950538 is an abundant number, since it is smaller than the sum of its proper divisors (166390355592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109437950538 is a wasteful number, since it uses less digits than its factorization.

109437950538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124079331 (or 124079321 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 109437950538 in words is "one hundred nine billion, four hundred thirty-seven million, nine hundred fifty thousand, five hundred thirty-eight".