38146605425 has 24 divisors (see below), whose sum is σ = 49802943360. Its totient is φ = 28904385600.

The previous prime is 38146605421. The next prime is 38146605457. The reversal of 38146605425 is 52450664183.

It is not a de Polignac number, because 38146605425 - 2² = 38146605421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38146605421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3177935 + ... + 3189915.

It is an arithmetic number, because the mean of its divisors is an integer number (2075122640).

Almost surely, 2^38146605425 is an apocalyptic number.

It is an amenable number.

38146605425 is a deficient number, since it is larger than the sum of its proper divisors (11656337935).

38146605425 is a wasteful number, since it uses less digits than its factorization.

38146605425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18713 (or 18708 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 38146605425 in words is "thirty-eight billion, one hundred forty-six million, six hundred five thousand, four hundred twenty-five".