25735718713 has 2 divisors, whose sum is σ = 25735718714. Its totient is φ = 25735718712.

The previous prime is 25735718683. The next prime is 25735718761. The reversal of 25735718713 is 31781753752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22328428329 + 3407290384 = 149427^2 + 58372^2 .

It is a cyclic number.

It is not a de Polignac number, because 25735718713 - 2⁹ = 25735718201 is a prime.

It is not a weakly prime, because it can be changed into another prime (25735718213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12867859356 + 12867859357.

It is an arithmetic number, because the mean of its divisors is an integer number (12867859357).

Almost surely, 2^25735718713 is an apocalyptic number.

It is an amenable number.

25735718713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25735718713 is an equidigital number, since it uses as much as digits as its factorization.

25735718713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1234800, while the sum is 49.

The spelling of 25735718713 in words is "twenty-five billion, seven hundred thirty-five million, seven hundred eighteen thousand, seven hundred thirteen".