26321670669 has 16 divisors (see below), whose sum is σ = 40116879360. Its totient is φ = 15038079600.

The previous prime is 26321670659. The next prime is 26321670689. The reversal of 26321670669 is 96607612362.

It is not a de Polignac number, because 26321670669 - 2⁵ = 26321670637 is a prime.

It is a super-2 number, since 2×26321670669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26321670629) 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, 4749 + ... + 229490.

It is an arithmetic number, because the mean of its divisors is an integer number (2507304960).

Almost surely, 2^26321670669 is an apocalyptic number.

It is an amenable number.

26321670669 is a deficient number, since it is larger than the sum of its proper divisors (13795208691).

26321670669 is a wasteful number, since it uses less digits than its factorization.

26321670669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239600.

The product of its (nonzero) digits is 979776, while the sum is 48.

The spelling of 26321670669 in words is "twenty-six billion, three hundred twenty-one million, six hundred seventy thousand, six hundred sixty-nine".