26383865494 has 8 divisors (see below), whose sum is σ = 45229483728. Its totient is φ = 11307370920.

The previous prime is 26383865467. The next prime is 26383865507. The reversal of 26383865494 is 49456838362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×26383865494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942280897 + ... + 942280924.

It is an arithmetic number, because the mean of its divisors is an integer number (5653685466).

Almost surely, 2^26383865494 is an apocalyptic number.

26383865494 is a deficient number, since it is larger than the sum of its proper divisors (18845618234).

26383865494 is a wasteful number, since it uses less digits than its factorization.

26383865494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884561830.

The product of its digits is 29859840, while the sum is 58.

The spelling of 26383865494 in words is "twenty-six billion, three hundred eighty-three million, eight hundred sixty-five thousand, four hundred ninety-four".