25313452989 has 16 divisors (see below), whose sum is σ = 37163681280. Its totient is φ = 15198106160.

The previous prime is 25313452987. The next prime is 25313452991. The reversal of 25313452989 is 98925431352.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25313452987) and next prime (25313452991).

It is a cyclic number.

It is not a de Polignac number, because 25313452989 - 2¹ = 25313452987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313452987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580929 + ... + 3587990.

It is an arithmetic number, because the mean of its divisors is an integer number (2322730080).

Almost surely, 2^25313452989 is an apocalyptic number.

It is an amenable number.

25313452989 is a deficient number, since it is larger than the sum of its proper divisors (11850228291).

25313452989 is a wasteful number, since it uses less digits than its factorization.

25313452989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7169040.

The product of its digits is 2332800, while the sum is 51.

The spelling of 25313452989 in words is "twenty-five billion, three hundred thirteen million, four hundred fifty-two thousand, nine hundred eighty-nine".