25722782029459 has 2 divisors, whose sum is σ = 25722782029460. Its totient is φ = 25722782029458.

The previous prime is 25722782029423. The next prime is 25722782029513. The reversal of 25722782029459 is 95492028722752.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25722782029459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25722782029459.

It is not a weakly prime, because it can be changed into another prime (25722782029159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12861391014729 + 12861391014730.

It is an arithmetic number, because the mean of its divisors is an integer number (12861391014730).

Almost surely, 2^{25722782029459} is an apocalyptic number.

25722782029459 is a deficient number, since it is larger than the sum of its proper divisors (1).

25722782029459 is an equidigital number, since it uses as much as digits as its factorization.

25722782029459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 101606400, while the sum is 64.

The spelling of 25722782029459 in words is "twenty-five trillion, seven hundred twenty-two billion, seven hundred eighty-two million, twenty-nine thousand, four hundred fifty-nine".