26913494543859 has 60 divisors (see below), whose sum is σ = 51019685884728. Its totient is φ = 13981036104000.

The previous prime is 26913494543857. The next prime is 26913494543861. The reversal of 26913494543859 is 95834549431962.

It is a happy number.

26913494543859 is a `hidden beast` number, since 2 + 6 + 9 + 1 + 3 + 494 + 54 + 3 + 85 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (26913494543857) and next prime (26913494543861).

It is not a de Polignac number, because 26913494543859 - 2¹ = 26913494543857 is a prime.

It is a super-2 number, since 2×26913494543859² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26913494543857) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 308180242 + ... + 308267559.

Almost surely, 2^{26913494543859} is an apocalyptic number.

26913494543859 is a deficient number, since it is larger than the sum of its proper divisors (24106191340869).

26913494543859 is a wasteful number, since it uses less digits than its factorization.

26913494543859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616447838 (or 616447822 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 72.

The spelling of 26913494543859 in words is "twenty-six trillion, nine hundred thirteen billion, four hundred ninety-four million, five hundred forty-three thousand, eight hundred fifty-nine".