2681595954 has 48 divisors (see below), whose sum is σ = 6036989400. Its totient is φ = 859235328.

The previous prime is 2681595949. The next prime is 2681596033. The reversal of 2681595954 is 4595951862.

It can be written as a sum of positive squares in 4 ways, for example, as 2644324929 + 37271025 = 51423^2 + 6105^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2681595954.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108322 + ... + 130754.

Almost surely, 2^2681595954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2681595954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3018494700).

2681595954 is an abundant number, since it is smaller than the sum of its proper divisors (3355393446).

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

2681595954 is a wasteful number, since it uses less digits than its factorization.

2681595954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22699 (or 22696 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 2681595954 is about 51784.1283985740. The cubic root of 2681595954 is about 1389.3055817489.

The spelling of 2681595954 in words is "two billion, six hundred eighty-one million, five hundred ninety-five thousand, nine hundred fifty-four".