25906192036 has 12 divisors (see below), whose sum is σ = 45351398428. Its totient is φ = 12948649632.

The previous prime is 25906192007. The next prime is 25906192087. The reversal of 25906192036 is 63029160952.

It can be written as a sum of positive squares in 2 ways, for example, as 15257190400 + 10649001636 = 123520^2 + 103194^2 .

It is a super-2 number, since 2×25906192036² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25906191983 and 25906192001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098471 + ... + 1121806.

Almost surely, 2^25906192036 is an apocalyptic number.

It is an amenable number.

25906192036 is a deficient number, since it is larger than the sum of its proper divisors (19445206392).

25906192036 is a wasteful number, since it uses less digits than its factorization.

25906192036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223198 (or 2223196 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 25906192036 in words is "twenty-five billion, nine hundred six million, one hundred ninety-two thousand, thirty-six".