26790715019 has 2 divisors, whose sum is σ = 26790715020. Its totient is φ = 26790715018.

The previous prime is 26790714997. The next prime is 26790715033. The reversal of 26790715019 is 91051709762.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26790715019 - 2³² = 22495747723 is a prime.

It is a super-2 number, since 2×26790715019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26790715079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13395357509 + 13395357510.

It is an arithmetic number, because the mean of its divisors is an integer number (13395357510).

Almost surely, 2^26790715019 is an apocalyptic number.

26790715019 is a deficient number, since it is larger than the sum of its proper divisors (1).

26790715019 is an equidigital number, since it uses as much as digits as its factorization.

26790715019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 47.

The spelling of 26790715019 in words is "twenty-six billion, seven hundred ninety million, seven hundred fifteen thousand, nineteen".