2681457267 has 4 divisors (see below), whose sum is σ = 3575276360. Its totient is φ = 1787638176.

The previous prime is 2681457221. The next prime is 2681457307. The reversal of 2681457267 is 7627541862.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2681457267 - 2⁶ = 2681457203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2681457067) 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, 446909542 + ... + 446909547.

It is an arithmetic number, because the mean of its divisors is an integer number (893819090).

Almost surely, 2^2681457267 is an apocalyptic number.

2681457267 is a deficient number, since it is larger than the sum of its proper divisors (893819093).

2681457267 is an equidigital number, since it uses as much as digits as its factorization.

2681457267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893819092.

The product of its digits is 1128960, while the sum is 48.

The square root of 2681457267 is about 51782.7892933550. The cubic root of 2681457267 is about 1389.2816305959.

The spelling of 2681457267 in words is "two billion, six hundred eighty-one million, four hundred fifty-seven thousand, two hundred sixty-seven".