39129157670 has 16 divisors (see below), whose sum is σ = 70609902768. Its totient is φ = 15612236640.

The previous prime is 39129157651. The next prime is 39129157723. The reversal of 39129157670 is 7675192193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924136 + ... + 4932075.

It is an arithmetic number, because the mean of its divisors is an integer number (4413118923).

Almost surely, 2^39129157670 is an apocalyptic number.

39129157670 is a deficient number, since it is larger than the sum of its proper divisors (31480745098).

39129157670 is a wasteful number, since it uses less digits than its factorization.

39129157670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856615.

The product of its (nonzero) digits is 714420, while the sum is 50.

The spelling of 39129157670 in words is "thirty-nine billion, one hundred twenty-nine million, one hundred fifty-seven thousand, six hundred seventy".