25044256379 has 2 divisors, whose sum is σ = 25044256380. Its totient is φ = 25044256378.

The previous prime is 25044256343. The next prime is 25044256411. The reversal of 25044256379 is 97365244052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25044256379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (25044256309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522128189 + 12522128190.

It is an arithmetic number, because the mean of its divisors is an integer number (12522128190).

Almost surely, 2^25044256379 is an apocalyptic number.

25044256379 is a deficient number, since it is larger than the sum of its proper divisors (1).

25044256379 is an equidigital number, since it uses as much as digits as its factorization.

25044256379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 47.

The spelling of 25044256379 in words is "twenty-five billion, forty-four million, two hundred fifty-six thousand, three hundred seventy-nine".