25307750068 has 6 divisors (see below), whose sum is σ = 44288562626. Its totient is φ = 12653875032.

The previous prime is 25307750003. The next prime is 25307750099. The reversal of 25307750068 is 86005770352.

It can be written as a sum of positive squares in only one way, i.e., 25072188964 + 235561104 = 158342^2 + 15348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3163468755 + ... + 3163468762.

Almost surely, 2^25307750068 is an apocalyptic number.

It is an amenable number.

25307750068 is a deficient number, since it is larger than the sum of its proper divisors (18980812558).

25307750068 is a wasteful number, since it uses less digits than its factorization.

25307750068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6326937521 (or 6326937519 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 25307750068 in words is "twenty-five billion, three hundred seven million, seven hundred fifty thousand, sixty-eight".