25226796139 has 2 divisors, whose sum is σ = 25226796140. Its totient is φ = 25226796138.

The previous prime is 25226796131. The next prime is 25226796143. The reversal of 25226796139 is 93169762252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25226796139 - 2³ = 25226796131 is a prime.

It is not a weakly prime, because it can be changed into another prime (25226796131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613398069 + 12613398070.

It is an arithmetic number, because the mean of its divisors is an integer number (12613398070).

Almost surely, 2^25226796139 is an apocalyptic number.

25226796139 is a deficient number, since it is larger than the sum of its proper divisors (1).

25226796139 is an equidigital number, since it uses as much as digits as its factorization.

25226796139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The spelling of 25226796139 in words is "twenty-five billion, two hundred twenty-six million, seven hundred ninety-six thousand, one hundred thirty-nine".