25124406042419 has 2 divisors, whose sum is σ = 25124406042420. Its totient is φ = 25124406042418.

The previous prime is 25124406042397. The next prime is 25124406042443. The reversal of 25124406042419 is 91424060442152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25124406042419 - 2³⁶ = 25055686565683 is a prime.

It is a super-2 number, since 2×25124406042419² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25124406042419.

It is not a weakly prime, because it can be changed into another prime (25124406042469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12562203021209 + 12562203021210.

It is an arithmetic number, because the mean of its divisors is an integer number (12562203021210).

Almost surely, 2^{25124406042419} is an apocalyptic number.

25124406042419 is a deficient number, since it is larger than the sum of its proper divisors (1).

25124406042419 is an equidigital number, since it uses as much as digits as its factorization.

25124406042419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 25124406042419 in words is "twenty-five trillion, one hundred twenty-four billion, four hundred six million, forty-two thousand, four hundred nineteen".