25230260619 has 28 divisors (see below), whose sum is σ = 39472811856. Its totient is φ = 16088851152.

The previous prime is 25230260617. The next prime is 25230260641. The reversal of 25230260619 is 91606203252.

25230260619 is a `hidden beast` number, since 2 + 5 + 2 + 30 + 2 + 6 + 0 + 619 = 666.

It is not a de Polignac number, because 25230260619 - 2¹ = 25230260617 is a prime.

It is a super-2 number, since 2×25230260619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25230260617) 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 27 ways as a sum of consecutive naturals, for example, 735612 + ... + 769145.

Almost surely, 2^25230260619 is an apocalyptic number.

25230260619 is a deficient number, since it is larger than the sum of its proper divisors (14242551237).

25230260619 is an equidigital number, since it uses as much as digits as its factorization.

25230260619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504798 (or 1504783 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 25230260619 in words is "twenty-five billion, two hundred thirty million, two hundred sixty thousand, six hundred nineteen".