2679721516 has 12 divisors (see below), whose sum is σ = 4689911632. Its totient is φ = 1339746768.

The previous prime is 2679721493. The next prime is 2679721519. The reversal of 2679721516 is 6151279762.

It is not an unprimeable number, because it can be changed into a prime (2679721519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46081 + ... + 86503.

Almost surely, 2^2679721516 is an apocalyptic number.

It is an amenable number.

2679721516 is a deficient number, since it is larger than the sum of its proper divisors (2010190116).

2679721516 is a wasteful number, since it uses less digits than its factorization.

2679721516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57000 (or 56998 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 2679721516 is about 51766.0266584176. The cubic root of 2679721516 is about 1388.9817976755.

The spelling of 2679721516 in words is "two billion, six hundred seventy-nine million, seven hundred twenty-one thousand, five hundred sixteen".