2664381279 has 8 divisors (see below), whose sum is σ = 4060009600. Its totient is φ = 1522503576.

The previous prime is 2664381271. The next prime is 2664381283. The reversal of 2664381279 is 9721834662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2664381279 - 2³ = 2664381271 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 (2664381271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63437629 + ... + 63437670.

It is an arithmetic number, because the mean of its divisors is an integer number (507501200).

Almost surely, 2^2664381279 is an apocalyptic number.

2664381279 is a deficient number, since it is larger than the sum of its proper divisors (1395628321).

2664381279 is a wasteful number, since it uses less digits than its factorization.

2664381279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126875309.

The product of its digits is 870912, while the sum is 48.

The square root of 2664381279 is about 51617.6450353946. The cubic root of 2664381279 is about 1386.3262856516.

The spelling of 2664381279 in words is "two billion, six hundred sixty-four million, three hundred eighty-one thousand, two hundred seventy-nine".