25930748349 has 16 divisors (see below), whose sum is σ = 41908280640. Its totient is φ = 15715604880.

The previous prime is 25930748323. The next prime is 25930748353. The reversal of 25930748349 is 94384703952.

25930748349 is a `hidden beast` number, since 2 + 593 + 0 + 7 + 4 + 8 + 3 + 49 = 666.

It is not a de Polignac number, because 25930748349 - 2⁵ = 25930748317 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25930748295 and 25930748304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25930748309) 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, 43654162 + ... + 43654755.

It is an arithmetic number, because the mean of its divisors is an integer number (2619267540).

Almost surely, 2^25930748349 is an apocalyptic number.

It is an amenable number.

25930748349 is a deficient number, since it is larger than the sum of its proper divisors (15977532291).

25930748349 is a wasteful number, since it uses less digits than its factorization.

25930748349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87308937 (or 87308931 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 25930748349 in words is "twenty-five billion, nine hundred thirty million, seven hundred forty-eight thousand, three hundred forty-nine".