25140001389 has 16 divisors (see below), whose sum is σ = 34840731072. Its totient is φ = 16110551808.

The previous prime is 25140001343. The next prime is 25140001441. The reversal of 25140001389 is 98310004152.

It is not a de Polignac number, because 25140001389 - 2³¹ = 22992517741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25140001189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1355164 + ... + 1373589.

It is an arithmetic number, because the mean of its divisors is an integer number (2177545692).

Almost surely, 2^25140001389 is an apocalyptic number.

It is an amenable number.

25140001389 is a deficient number, since it is larger than the sum of its proper divisors (9700729683).

25140001389 is a wasteful number, since it uses less digits than its factorization.

25140001389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728876.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 25140001389 in words is "twenty-five billion, one hundred forty million, one thousand, three hundred eighty-nine".