25164341479 has 2 divisors, whose sum is σ = 25164341480. Its totient is φ = 25164341478.

The previous prime is 25164341429. The next prime is 25164341483. The reversal of 25164341479 is 97414346152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25164341479 - 2⁷ = 25164341351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25164341429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582170739 + 12582170740.

It is an arithmetic number, because the mean of its divisors is an integer number (12582170740).

Almost surely, 2^25164341479 is an apocalyptic number.

25164341479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25164341479 is an equidigital number, since it uses as much as digits as its factorization.

25164341479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The spelling of 25164341479 in words is "twenty-five billion, one hundred sixty-four million, three hundred forty-one thousand, four hundred seventy-nine".