2681956416 has 28 divisors (see below), whose sum is σ = 7096010192. Its totient is φ = 893985408.

The previous prime is 2681956399. The next prime is 2681956421. The reversal of 2681956416 is 6146591862.

2681956416 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 a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6984070 + ... + 6984453.

Almost surely, 2^2681956416 is an apocalyptic number.

It is an amenable number.

2681956416 is an abundant number, since it is smaller than the sum of its proper divisors (4414053776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2681956416 is a wasteful number, since it uses less digits than its factorization.

2681956416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968538 (or 13968528 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 2681956416 is about 51787.6087109648. The cubic root of 2681956416 is about 1389.3678294352.

The spelling of 2681956416 in words is "two billion, six hundred eighty-one million, nine hundred fifty-six thousand, four hundred sixteen".