2679672321 has 8 divisors (see below), whose sum is σ = 3969884960. Its totient is φ = 1786448196.

The previous prime is 2679672319. The next prime is 2679672329. The reversal of 2679672321 is 1232769762.

2679672321 is a `hidden beast` number, since 267 + 9 + 67 + 2 + 321 = 666.

It is not a de Polignac number, because 2679672321 - 2¹ = 2679672319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2679672329) 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, 49623535 + ... + 49623588.

It is an arithmetic number, because the mean of its divisors is an integer number (496235620).

Almost surely, 2^2679672321 is an apocalyptic number.

It is an amenable number.

2679672321 is a deficient number, since it is larger than the sum of its proper divisors (1290212639).

2679672321 is an equidigital number, since it uses as much as digits as its factorization.

2679672321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99247132 (or 99247126 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 2679672321 is about 51765.5514893834. The cubic root of 2679672321 is about 1388.9732978647.

The spelling of 2679672321 in words is "two billion, six hundred seventy-nine million, six hundred seventy-two thousand, three hundred twenty-one".