2664205269 has 16 divisors (see below), whose sum is σ = 4103161920. Its totient is φ = 1519688960.

The previous prime is 2664205259. The next prime is 2664205273. The reversal of 2664205269 is 9625024662.

It is a cyclic number.

It is not a de Polignac number, because 2664205269 - 2⁵ = 2664205237 is a prime.

It is a super-2 number, since 2×2664205269² = 14195979430734724722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2664205269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664205259) 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, 2373954 + ... + 2375075.

It is an arithmetic number, because the mean of its divisors is an integer number (256447620).

Almost surely, 2^2664205269 is an apocalyptic number.

It is an amenable number.

2664205269 is a deficient number, since it is larger than the sum of its proper divisors (1438956651).

2664205269 is a wasteful number, since it uses less digits than its factorization.

2664205269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749060.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 2664205269 is about 51615.9400669987. The cubic root of 2664205269 is about 1386.2957579059.

The spelling of 2664205269 in words is "two billion, six hundred sixty-four million, two hundred five thousand, two hundred sixty-nine".