4169269664 has 72 divisors (see below), whose sum is σ = 9781409988. Its totient is φ = 1743221760.

The previous prime is 4169269661. The next prime is 4169269679. The reversal of 4169269664 is 4669629614.

It can be written as a sum of positive squares in 2 ways, for example, as 4093440400 + 75829264 = 63980^2 + 8708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4169269661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31862 + ... + 96714.

Almost surely, 2^4169269664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4169269664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4890704994).

4169269664 is an abundant number, since it is smaller than the sum of its proper divisors (5612140324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4169269664 is a wasteful number, since it uses less digits than its factorization.

4169269664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64918 (or 64903 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 53.

The square root of 4169269664 is about 64569.8820194059. The cubic root of 4169269664 is about 1609.4839934272.

The spelling of 4169269664 in words is "four billion, one hundred sixty-nine million, two hundred sixty-nine thousand, six hundred sixty-four".