25389001290 has 16 divisors (see below), whose sum is σ = 60933603168. Its totient is φ = 6770400336.

The previous prime is 25389001289. The next prime is 25389001327. The reversal of 25389001290 is 9210098352.

It is a Curzon number.

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, 423149992 + ... + 423150051.

It is an arithmetic number, because the mean of its divisors is an integer number (3808350198).

Almost surely, 2^25389001290 is an apocalyptic number.

25389001290 is an abundant number, since it is smaller than the sum of its proper divisors (35544601878).

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

25389001290 is a wasteful number, since it uses less digits than its factorization.

25389001290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846300053.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 25389001290 in words is "twenty-five billion, three hundred eighty-nine million, one thousand, two hundred ninety".