25753019459 has 2 divisors, whose sum is σ = 25753019460. Its totient is φ = 25753019458.

The previous prime is 25753019429. The next prime is 25753019503. The reversal of 25753019459 is 95491035752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25753019459 - 2⁸ = 25753019203 is a prime.

It is a super-2 number, since 2×25753019459² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25753019429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12876509729 + 12876509730.

It is an arithmetic number, because the mean of its divisors is an integer number (12876509730).

Almost surely, 2^25753019459 is an apocalyptic number.

25753019459 is a deficient number, since it is larger than the sum of its proper divisors (1).

25753019459 is an equidigital number, since it uses as much as digits as its factorization.

25753019459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 50.

The spelling of 25753019459 in words is "twenty-five billion, seven hundred fifty-three million, nineteen thousand, four hundred fifty-nine".