25470412823 has 4 divisors (see below), whose sum is σ = 25472603520. Its totient is φ = 25468222128.

The previous prime is 25470412801. The next prime is 25470412829. The reversal of 25470412823 is 32821407452.

It is a happy number.

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 25470412823 - 2¹⁸ = 25470150679 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 (25470412829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1077815 + ... + 1101192.

It is an arithmetic number, because the mean of its divisors is an integer number (6368150880).

Almost surely, 2^25470412823 is an apocalyptic number.

25470412823 is a deficient number, since it is larger than the sum of its proper divisors (2190697).

25470412823 is a wasteful number, since it uses less digits than its factorization.

25470412823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190696.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 25470412823 in words is "twenty-five billion, four hundred seventy million, four hundred twelve thousand, eight hundred twenty-three".