26245233247699 has 2 divisors, whose sum is σ = 26245233247700. Its totient is φ = 26245233247698.

The previous prime is 26245233247621. The next prime is 26245233247741. The reversal of 26245233247699 is 99674233254262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26245233247699 - 2²¹ = 26245231150547 is a prime.

It is a super-2 number, since 2×26245233247699² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26245233247699.

It is not a weakly prime, because it can be changed into another prime (26245233247619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13122616623849 + 13122616623850.

It is an arithmetic number, because the mean of its divisors is an integer number (13122616623850).

Almost surely, 2^{26245233247699} is an apocalyptic number.

26245233247699 is a deficient number, since it is larger than the sum of its proper divisors (1).

26245233247699 is an equidigital number, since it uses as much as digits as its factorization.

26245233247699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 64.

The spelling of 26245233247699 in words is "twenty-six trillion, two hundred forty-five billion, two hundred thirty-three million, two hundred forty-seven thousand, six hundred ninety-nine".