25049486792 has 36 divisors (see below), whose sum is σ = 51635900715. Its totient is φ = 11383892080.

The previous prime is 25049486743. The next prime is 25049486827. The reversal of 25049486792 is 29768494052.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 12524743396 + 12524743396 = 111914^2 + 111914^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=111914.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4921673 + ... + 4926759.

Almost surely, 2^25049486792 is an apocalyptic number.

25049486792 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25049486792 is an abundant number, since it is smaller than the sum of its proper divisors (26586413923).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25049486792 is an frugal number, since it uses more digits than its factorization.

25049486792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10202 (or 5100 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 25049486792 in words is "twenty-five billion, forty-nine million, four hundred eighty-six thousand, seven hundred ninety-two".