25434730002 has 16 divisors (see below), whose sum is σ = 55493956512. Its totient is φ = 7707493920.

The previous prime is 25434729941. The next prime is 25434730039. The reversal of 25434730002 is 20003743452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192687283 + ... + 192687414.

It is an arithmetic number, because the mean of its divisors is an integer number (3468372282).

Almost surely, 2^25434730002 is an apocalyptic number.

25434730002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25434730002 is an abundant number, since it is smaller than the sum of its proper divisors (30059226510).

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

25434730002 is a wasteful number, since it uses less digits than its factorization.

25434730002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385374713.

The product of its (nonzero) digits is 20160, while the sum is 30.

The spelling of 25434730002 in words is "twenty-five billion, four hundred thirty-four million, seven hundred thirty thousand, two".