25214377819 has 2 divisors, whose sum is σ = 25214377820. Its totient is φ = 25214377818.

The previous prime is 25214377723. The next prime is 25214377829. The reversal of 25214377819 is 91877341252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25214377819 - 2²⁵ = 25180823387 is a prime.

It is a super-2 number, since 2×25214377819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25214377829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12607188909 + 12607188910.

It is an arithmetic number, because the mean of its divisors is an integer number (12607188910).

Almost surely, 2^25214377819 is an apocalyptic number.

25214377819 is a deficient number, since it is larger than the sum of its proper divisors (1).

25214377819 is an equidigital number, since it uses as much as digits as its factorization.

25214377819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 49.

The spelling of 25214377819 in words is "twenty-five billion, two hundred fourteen million, three hundred seventy-seven thousand, eight hundred nineteen".