25689214701 has 6 divisors (see below), whose sum is σ = 37106643470. Its totient is φ = 17126143128.

The previous prime is 25689214697. The next prime is 25689214729. The reversal of 25689214701 is 10741298652.

25689214701 is a `hidden beast` number, since 2 + 568 + 9 + 2 + 14 + 70 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24645860100 + 1043354601 = 156990^2 + 32301^2 .

It is not a de Polignac number, because 25689214701 - 2² = 25689214697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25689214751) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1427178586 + ... + 1427178603.

Almost surely, 2^25689214701 is an apocalyptic number.

It is an amenable number.

25689214701 is a deficient number, since it is larger than the sum of its proper divisors (11417428769).

25689214701 is a wasteful number, since it uses less digits than its factorization.

25689214701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854357195 (or 2854357192 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 25689214701 in words is "twenty-five billion, six hundred eighty-nine million, two hundred fourteen thousand, seven hundred one".