25775388343 has 2 divisors, whose sum is σ = 25775388344. Its totient is φ = 25775388342.

The previous prime is 25775388281. The next prime is 25775388347. The reversal of 25775388343 is 34388357752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25775388343 - 2¹⁷ = 25775257271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25775388347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12887694171 + 12887694172.

It is an arithmetic number, because the mean of its divisors is an integer number (12887694172).

Almost surely, 2^25775388343 is an apocalyptic number.

25775388343 is a deficient number, since it is larger than the sum of its proper divisors (1).

25775388343 is an equidigital number, since it uses as much as digits as its factorization.

25775388343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 55.

The spelling of 25775388343 in words is "twenty-five billion, seven hundred seventy-five million, three hundred eighty-eight thousand, three hundred forty-three".