25969282461 has 6 divisors (see below), whose sum is σ = 37511185790. Its totient is φ = 17312854968.

The previous prime is 25969282429. The next prime is 25969282481. The reversal of 25969282461 is 16428296952.

25969282461 is a `hidden beast` number, since 2 + 5 + 96 + 92 + 8 + 2 + 461 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24267719961 + 1701562500 = 155781^2 + 41250^2 .

It is not a de Polignac number, because 25969282461 - 2⁵ = 25969282429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25969282398 and 25969282407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25969282421) 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, 1442737906 + ... + 1442737923.

Almost surely, 2^25969282461 is an apocalyptic number.

It is an amenable number.

25969282461 is a deficient number, since it is larger than the sum of its proper divisors (11541903329).

25969282461 is a wasteful number, since it uses less digits than its factorization.

25969282461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885475835 (or 2885475832 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 25969282461 in words is "twenty-five billion, nine hundred sixty-nine million, two hundred eighty-two thousand, four hundred sixty-one".