2630814681 has 32 divisors (see below), whose sum is σ = 4008849408. Its totient is φ = 1519063040.

The previous prime is 2630814653. The next prime is 2630814701. The reversal of 2630814681 is 1864180362.

It is not a de Polignac number, because 2630814681 - 2¹⁵ = 2630781913 is a prime.

It is a super-2 number, since 2×2630814681² = 13842371771530263522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2630814281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188320 + ... + 201806.

It is an arithmetic number, because the mean of its divisors is an integer number (125276544).

Almost surely, 2^2630814681 is an apocalyptic number.

It is an amenable number.

2630814681 is a deficient number, since it is larger than the sum of its proper divisors (1378034727).

2630814681 is a wasteful number, since it uses less digits than its factorization.

2630814681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 2630814681 is about 51291.4679162139. The cubic root of 2630814681 is about 1380.4798934847.

It can be divided in two parts, 263081 and 4681, that added together give a palindrome (267762).

The spelling of 2630814681 in words is "two billion, six hundred thirty million, eight hundred fourteen thousand, six hundred eighty-one".