26385819007 has 2 divisors, whose sum is σ = 26385819008. Its totient is φ = 26385819006.

The previous prime is 26385818929. The next prime is 26385819073. The reversal of 26385819007 is 70091858362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26385819007 - 2¹⁵ = 26385786239 is a prime.

It is a super-2 number, since 2×26385819007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26385819307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13192909503 + 13192909504.

It is an arithmetic number, because the mean of its divisors is an integer number (13192909504).

Almost surely, 2^26385819007 is an apocalyptic number.

26385819007 is a deficient number, since it is larger than the sum of its proper divisors (1).

26385819007 is an equidigital number, since it uses as much as digits as its factorization.

26385819007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 26385819007 in words is "twenty-six billion, three hundred eighty-five million, eight hundred nineteen thousand, seven".