25031230769 has 16 divisors (see below), whose sum is σ = 25650535680. Its totient is φ = 24417744000.

The previous prime is 25031230747. The next prime is 25031230789. The reversal of 25031230769 is 96703213052.

It is a cyclic number.

It is not a de Polignac number, because 25031230769 - 2¹² = 25031226673 is a prime.

It is a super-2 number, since 2×25031230769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25031230789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9563549 + ... + 9566165.

It is an arithmetic number, because the mean of its divisors is an integer number (1603158480).

Almost surely, 2^25031230769 is an apocalyptic number.

It is an amenable number.

25031230769 is a deficient number, since it is larger than the sum of its proper divisors (619304911).

25031230769 is a wasteful number, since it uses less digits than its factorization.

25031230769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 25031230769 in words is "twenty-five billion, thirty-one million, two hundred thirty thousand, seven hundred sixty-nine".