25745702747 has 2 divisors, whose sum is σ = 25745702748. Its totient is φ = 25745702746.

The previous prime is 25745702681. The next prime is 25745702767. The reversal of 25745702747 is 74720754752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25745702747 - 2²⁶ = 25678593883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25745702695 and 25745702704.

It is not a weakly prime, because it can be changed into another prime (25745702767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12872851373 + 12872851374.

It is an arithmetic number, because the mean of its divisors is an integer number (12872851374).

Almost surely, 2^25745702747 is an apocalyptic number.

25745702747 is a deficient number, since it is larger than the sum of its proper divisors (1).

25745702747 is an equidigital number, since it uses as much as digits as its factorization.

25745702747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3841600, while the sum is 50.

The spelling of 25745702747 in words is "twenty-five billion, seven hundred forty-five million, seven hundred two thousand, seven hundred forty-seven".