25142452457443 has 2 divisors, whose sum is σ = 25142452457444. Its totient is φ = 25142452457442.

The previous prime is 25142452457393. The next prime is 25142452457459. The reversal of 25142452457443 is 34475425424152.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25142452457443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25142452457483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571226228721 + 12571226228722.

It is an arithmetic number, because the mean of its divisors is an integer number (12571226228722).

Almost surely, 2^{25142452457443} is an apocalyptic number.

25142452457443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25142452457443 is an equidigital number, since it uses as much as digits as its factorization.

25142452457443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504000, while the sum is 52.

The spelling of 25142452457443 in words is "twenty-five trillion, one hundred forty-two billion, four hundred fifty-two million, four hundred fifty-seven thousand, four hundred forty-three".