25229774467 has 4 divisors (see below), whose sum is σ = 26099766720. Its totient is φ = 24359782216.

The previous prime is 25229774459. The next prime is 25229774513. The reversal of 25229774467 is 76447792252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25229774467 - 2³ = 25229774459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25229771467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434996083 + ... + 434996140.

It is an arithmetic number, because the mean of its divisors is an integer number (6524941680).

Almost surely, 2^25229774467 is an apocalyptic number.

25229774467 is a deficient number, since it is larger than the sum of its proper divisors (869992253).

25229774467 is an equidigital number, since it uses as much as digits as its factorization.

25229774467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869992252.

The product of its digits is 11854080, while the sum is 55.

The spelling of 25229774467 in words is "twenty-five billion, two hundred twenty-nine million, seven hundred seventy-four thousand, four hundred sixty-seven".