2689876461 has 4 divisors (see below), whose sum is σ = 3586501952. Its totient is φ = 1793250972.

The previous prime is 2689876457. The next prime is 2689876471. The reversal of 2689876461 is 1646789862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2689876461 - 2² = 2689876457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689876471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448312741 + ... + 448312746.

It is an arithmetic number, because the mean of its divisors is an integer number (896625488).

Almost surely, 2^2689876461 is an apocalyptic number.

It is an amenable number.

2689876461 is a deficient number, since it is larger than the sum of its proper divisors (896625491).

2689876461 is an equidigital number, since it uses as much as digits as its factorization.

2689876461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896625490.

The product of its digits is 6967296, while the sum is 57.

The square root of 2689876461 is about 51864.0189437726. The cubic root of 2689876461 is about 1390.7341257737.

The spelling of 2689876461 in words is "two billion, six hundred eighty-nine million, eight hundred seventy-six thousand, four hundred sixty-one".