2680694516 has 12 divisors (see below), whose sum is σ = 4693934532. Its totient is φ = 1339570368.

The previous prime is 2680694461. The next prime is 2680694543. The reversal of 2680694516 is 6154960862.

It can be written as a sum of positive squares in 2 ways, for example, as 1653235600 + 1027458916 = 40660^2 + 32054^2 .

It is a super-2 number, since 2×2680694516² = 14372246176224948512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186425 + ... + 200288.

It is an arithmetic number, because the mean of its divisors is an integer number (391161211).

Almost surely, 2^2680694516 is an apocalyptic number.

It is an amenable number.

2680694516 is a deficient number, since it is larger than the sum of its proper divisors (2013240016).

2680694516 is a wasteful number, since it uses less digits than its factorization.

2680694516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388450 (or 388448 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 2680694516 is about 51775.4238611332. The cubic root of 2680694516 is about 1389.1498892404.

The spelling of 2680694516 in words is "two billion, six hundred eighty million, six hundred ninety-four thousand, five hundred sixteen".