2681156467 has 4 divisors (see below), whose sum is σ = 2924897976. Its totient is φ = 2437414960.

The previous prime is 2681156461. The next prime is 2681156509. The reversal of 2681156467 is 7646511862.

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

It is a cyclic number.

It is not a de Polignac number, because 2681156467 - 2¹¹ = 2681154419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2681156461) 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, 121870738 + ... + 121870759.

It is an arithmetic number, because the mean of its divisors is an integer number (731224494).

Almost surely, 2^2681156467 is an apocalyptic number.

2681156467 is a deficient number, since it is larger than the sum of its proper divisors (243741509).

2681156467 is a wasteful number, since it uses less digits than its factorization.

2681156467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243741508.

The product of its digits is 483840, while the sum is 46.

The square root of 2681156467 is about 51779.8847719846. The cubic root of 2681156467 is about 1389.2296797970.

The spelling of 2681156467 in words is "two billion, six hundred eighty-one million, one hundred fifty-six thousand, four hundred sixty-seven".