26868428453599 has 16 divisors (see below), whose sum is σ = 27541689215040. Its totient is φ = 26204150488320.

The previous prime is 26868428453569. The next prime is 26868428453609. The reversal of 26868428453599 is 99535482486862.

It is a cyclic number.

It is not a de Polignac number, because 26868428453599 - 2¹⁵ = 26868428420831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26868428453509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912179 + ... + 7575835.

It is an arithmetic number, because the mean of its divisors is an integer number (1721355575940).

Almost surely, 2^{26868428453599} is an apocalyptic number.

26868428453599 is a deficient number, since it is larger than the sum of its proper divisors (673260761441).

26868428453599 is a wasteful number, since it uses less digits than its factorization.

26868428453599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664450.

The product of its digits is 7166361600, while the sum is 79.

The spelling of 26868428453599 in words is "twenty-six trillion, eight hundred sixty-eight billion, four hundred twenty-eight million, four hundred fifty-three thousand, five hundred ninety-nine".