25802029543 has 2 divisors, whose sum is σ = 25802029544. Its totient is φ = 25802029542.

The previous prime is 25802029499. The next prime is 25802029559. The reversal of 25802029543 is 34592020852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25802029543 - 2²⁵ = 25768475111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25802029496 and 25802029505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25802029243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12901014771 + 12901014772.

It is an arithmetic number, because the mean of its divisors is an integer number (12901014772).

Almost surely, 2^25802029543 is an apocalyptic number.

25802029543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25802029543 is an equidigital number, since it uses as much as digits as its factorization.

25802029543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 25802029543 in words is "twenty-five billion, eight hundred two million, twenty-nine thousand, five hundred forty-three".