25470834789 has 8 divisors (see below), whose sum is σ = 33982627360. Its totient is φ = 16969799376.

The previous prime is 25470834787. The next prime is 25470834791. The reversal of 25470834789 is 98743807452.

It is an interprime number because it is at equal distance from previous prime (25470834787) and next prime (25470834791).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25470834789 - 2¹ = 25470834787 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 (25470834787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2683762 + ... + 2693235.

It is an arithmetic number, because the mean of its divisors is an integer number (4247828420).

Almost surely, 2^25470834789 is an apocalyptic number.

It is an amenable number.

25470834789 is a deficient number, since it is larger than the sum of its proper divisors (8511792571).

25470834789 is a wasteful number, since it uses less digits than its factorization.

25470834789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378579.

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 25470834789 in words is "twenty-five billion, four hundred seventy million, eight hundred thirty-four thousand, seven hundred eighty-nine".