26252478713 has 2 divisors, whose sum is σ = 26252478714. Its totient is φ = 26252478712.

The previous prime is 26252478709. The next prime is 26252478751. The reversal of 26252478713 is 31787425262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14190289129 + 12062189584 = 119123^2 + 109828^2 .

It is a cyclic number.

It is not a de Polignac number, because 26252478713 - 2² = 26252478709 is a prime.

It is not a weakly prime, because it can be changed into another prime (26252478013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13126239356 + 13126239357.

It is an arithmetic number, because the mean of its divisors is an integer number (13126239357).

Almost surely, 2^26252478713 is an apocalyptic number.

It is an amenable number.

26252478713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26252478713 is an equidigital number, since it uses as much as digits as its factorization.

26252478713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 47.

The spelling of 26252478713 in words is "twenty-six billion, two hundred fifty-two million, four hundred seventy-eight thousand, seven hundred thirteen".