38729815442725 has 48 divisors (see below), whose sum is σ = 52773972874560. Its totient is φ = 27961220851200.

The previous prime is 38729815442699. The next prime is 38729815442777. The reversal of 38729815442725 is 52724451892783.

It is not a de Polignac number, because 38729815442725 - 2⁵ = 38729815442693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 353794099 + ... + 353903551.

It is an arithmetic number, because the mean of its divisors is an integer number (1099457768220).

Almost surely, 2^{38729815442725} is an apocalyptic number.

It is an amenable number.

38729815442725 is a deficient number, since it is larger than the sum of its proper divisors (14044157431835).

38729815442725 is a wasteful number, since it uses less digits than its factorization.

38729815442725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118870 (or 118865 counting only the distinct ones).

The product of its digits is 270950400, while the sum is 67.

The spelling of 38729815442725 in words is "thirty-eight trillion, seven hundred twenty-nine billion, eight hundred fifteen million, four hundred forty-two thousand, seven hundred twenty-five".