25414024109 has 2 divisors, whose sum is σ = 25414024110. Its totient is φ = 25414024108.

The previous prime is 25414024093. The next prime is 25414024171. The reversal of 25414024109 is 90142041452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23280046084 + 2133978025 = 152578^2 + 46195^2 .

It is a cyclic number.

It is not a de Polignac number, because 25414024109 - 2⁴ = 25414024093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25414024189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12707012054 + 12707012055.

It is an arithmetic number, because the mean of its divisors is an integer number (12707012055).

Almost surely, 2^25414024109 is an apocalyptic number.

It is an amenable number.

25414024109 is a deficient number, since it is larger than the sum of its proper divisors (1).

25414024109 is an equidigital number, since it uses as much as digits as its factorization.

25414024109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 25414024109 in words is "twenty-five billion, four hundred fourteen million, twenty-four thousand, one hundred nine".