25467346139 has 2 divisors, whose sum is σ = 25467346140. Its totient is φ = 25467346138.

The previous prime is 25467346133. The next prime is 25467346159. The reversal of 25467346139 is 93164376452.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25467346139 is a prime.

It is not a weakly prime, because it can be changed into another prime (25467346133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12733673069 + 12733673070.

It is an arithmetic number, because the mean of its divisors is an integer number (12733673070).

Almost surely, 2^25467346139 is an apocalyptic number.

25467346139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25467346139 is an equidigital number, since it uses as much as digits as its factorization.

25467346139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 50.

The spelling of 25467346139 in words is "twenty-five billion, four hundred sixty-seven million, three hundred forty-six thousand, one hundred thirty-nine".