2669888361 has 64 divisors (see below), whose sum is σ = 4336910336. Its totient is φ = 1428840000.

The previous prime is 2669888357. The next prime is 2669888363. The reversal of 2669888361 is 1638889662.

2669888361 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2669888361 - 2² = 2669888357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2669888363) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3554736 + ... + 3555486.

It is an arithmetic number, because the mean of its divisors is an integer number (67764224).

Almost surely, 2^2669888361 is an apocalyptic number.

2669888361 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2669888361 is a deficient number, since it is larger than the sum of its proper divisors (1667021975).

2669888361 is a wasteful number, since it uses less digits than its factorization.

2669888361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its digits is 5971968, while the sum is 57.

The square root of 2669888361 is about 51670.9624547482. The cubic root of 2669888361 is about 1387.2807734800.

The spelling of 2669888361 in words is "two billion, six hundred sixty-nine million, eight hundred eighty-eight thousand, three hundred sixty-one".