39138025275025 has 6 divisors (see below), whose sum is σ = 48531151341062. Its totient is φ = 31310420220000.

The previous prime is 39138025274989. The next prime is 39138025275049. The reversal of 39138025275025 is 52057252083193.

It can be written as a sum of positive squares in 3 ways, for example, as 3708054748161 + 35429970526864 = 1925631^2 + 5952308^2 .

It is not a de Polignac number, because 39138025275025 - 2¹⁵ = 39138025242257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 782760505476 + ... + 782760505525.

Almost surely, 2^{39138025275025} is an apocalyptic number.

It is an amenable number.

39138025275025 is a deficient number, since it is larger than the sum of its proper divisors (9393126066037).

39138025275025 is a wasteful number, since it uses less digits than its factorization.

39138025275025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565521011011 (or 1565521011006 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 39138025275025 in words is "thirty-nine trillion, one hundred thirty-eight billion, twenty-five million, two hundred seventy-five thousand, twenty-five".