25466404343 has 2 divisors, whose sum is σ = 25466404344. Its totient is φ = 25466404342.

The previous prime is 25466404291. The next prime is 25466404351. The reversal of 25466404343 is 34340466452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25466404343 - 2²⁰ = 25465355767 is a prime.

It is a super-2 number, since 2×25466404343² (a number of 22 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 25466404343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25466404373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12733202171 + 12733202172.

It is an arithmetic number, because the mean of its divisors is an integer number (12733202172).

Almost surely, 2^25466404343 is an apocalyptic number.

25466404343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25466404343 is an equidigital number, since it uses as much as digits as its factorization.

25466404343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 41.

The spelling of 25466404343 in words is "twenty-five billion, four hundred sixty-six million, four hundred four thousand, three hundred forty-three".