25884012019 has 2 divisors, whose sum is σ = 25884012020. Its totient is φ = 25884012018.

The previous prime is 25884011987. The next prime is 25884012023. The reversal of 25884012019 is 91021048852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25884012019 - 2⁵ = 25884011987 is a prime.

It is a super-2 number, since 2×25884012019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25884012059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12942006009 + 12942006010.

It is an arithmetic number, because the mean of its divisors is an integer number (12942006010).

Almost surely, 2^25884012019 is an apocalyptic number.

25884012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

25884012019 is an equidigital number, since it uses as much as digits as its factorization.

25884012019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 25884012019 in words is "twenty-five billion, eight hundred eighty-four million, twelve thousand, nineteen".