25303867494 has 8 divisors (see below), whose sum is σ = 50607735000. Its totient is φ = 8434622496.

The previous prime is 25303867493. The next prime is 25303867499. The reversal of 25303867494 is 49476830352.

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

25303867494 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25303867493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108655619 + ... + 2108655630.

It is an arithmetic number, because the mean of its divisors is an integer number (6325966875).

Almost surely, 2^25303867494 is an apocalyptic number.

25303867494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25303867494 is a wasteful number, since it uses less digits than its factorization.

25303867494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217311254.

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 25303867494 in words is "twenty-five billion, three hundred three million, eight hundred sixty-seven thousand, four hundred ninety-four".