25045684343 has 2 divisors, whose sum is σ = 25045684344. Its totient is φ = 25045684342.

The previous prime is 25045684337. The next prime is 25045684369. The reversal of 25045684343 is 34348654052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25045684343 - 2²⁰ = 25044635767 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25045684294 and 25045684303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25045684303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12522842171 + 12522842172.

It is an arithmetic number, because the mean of its divisors is an integer number (12522842172).

Almost surely, 2^25045684343 is an apocalyptic number.

25045684343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25045684343 is an equidigital number, since it uses as much as digits as its factorization.

25045684343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 25045684343 in words is "twenty-five billion, forty-five million, six hundred eighty-four thousand, three hundred forty-three".