68750131945 has 32 divisors (see below), whose sum is σ = 93184629120. Its totient is φ = 48233955840.

The previous prime is 68750131939. The next prime is 68750131999. The reversal of 68750131945 is 54913105786.

It is not a de Polignac number, because 68750131945 - 2⁹ = 68750131433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875109 + ... + 1911421.

It is an arithmetic number, because the mean of its divisors is an integer number (2912019660).

Almost surely, 2^68750131945 is an apocalyptic number.

It is an amenable number.

68750131945 is a deficient number, since it is larger than the sum of its proper divisors (24434497175).

68750131945 is a wasteful number, since it uses less digits than its factorization.

68750131945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37545.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 68750131945 in words is "sixty-eight billion, seven hundred fifty million, one hundred thirty-one thousand, nine hundred forty-five".