25149376039 has 2 divisors, whose sum is σ = 25149376040. Its totient is φ = 25149376038.

The previous prime is 25149376019. The next prime is 25149376111. The reversal of 25149376039 is 93067394152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25149376039 - 2²¹ = 25147278887 is a prime.

It is a super-2 number, since 2×25149376039² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25149375983 and 25149376001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25149376019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12574688019 + 12574688020.

It is an arithmetic number, because the mean of its divisors is an integer number (12574688020).

Almost surely, 2^25149376039 is an apocalyptic number.

25149376039 is a deficient number, since it is larger than the sum of its proper divisors (1).

25149376039 is an equidigital number, since it uses as much as digits as its factorization.

25149376039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 25149376039 in words is "twenty-five billion, one hundred forty-nine million, three hundred seventy-six thousand, thirty-nine".