37929973145 has 16 divisors (see below), whose sum is σ = 45959232000. Its totient is φ = 30048781248.

The previous prime is 37929973117. The next prime is 37929973171. The reversal of 37929973145 is 54137992973.

It is a cyclic number.

It is not a de Polignac number, because 37929973145 - 2¹⁰ = 37929972121 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1005536 + ... + 1042574.

It is an arithmetic number, because the mean of its divisors is an integer number (2872452000).

Almost surely, 2^37929973145 is an apocalyptic number.

It is an amenable number.

37929973145 is a deficient number, since it is larger than the sum of its proper divisors (8029258855).

37929973145 is a wasteful number, since it uses less digits than its factorization.

37929973145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39032.

The product of its digits is 12859560, while the sum is 59.

The spelling of 37929973145 in words is "thirty-seven billion, nine hundred twenty-nine million, nine hundred seventy-three thousand, one hundred forty-five".