25019414930 has 24 divisors (see below), whose sum is σ = 47839897188. Its totient is φ = 9419072768.

The previous prime is 25019414899. The next prime is 25019414933. The reversal of 25019414930 is 3941491052.

It can be written as a sum of positive squares in 6 ways, for example, as 20472744889 + 4546670041 = 143083^2 + 67429^2 .

It is a super-2 number, since 2×25019414930² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25019414933) 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 11 ways as a sum of consecutive naturals, for example, 4325729 + ... + 4331508.

Almost surely, 2^25019414930 is an apocalyptic number.

25019414930 is a deficient number, since it is larger than the sum of its proper divisors (22820482258).

25019414930 is a wasteful number, since it uses less digits than its factorization.

25019414930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8657278 (or 8657261 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 25019414930 in words is "twenty-five billion, nineteen million, four hundred fourteen thousand, nine hundred thirty".