2681630537 has 8 divisors (see below), whose sum is σ = 2765089152. Its totient is φ = 2598750000.

The previous prime is 2681630519. The next prime is 2681630561. The reversal of 2681630537 is 7350361862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2681630537 - 2¹⁶ = 2681565001 is a prime.

It is a super-2 number, since 2×2681630537² = 14382284673941816738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2681630494 and 2681630503.

It is not an unprimeable number, because it can be changed into a prime (2681630597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135089 + ... + 153662.

It is an arithmetic number, because the mean of its divisors is an integer number (345636144).

Almost surely, 2^2681630537 is an apocalyptic number.

It is an amenable number.

2681630537 is a deficient number, since it is larger than the sum of its proper divisors (83458615).

2681630537 is a wasteful number, since it uses less digits than its factorization.

2681630537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289039.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2681630537 is about 51784.4623125509. The cubic root of 2681630537 is about 1389.3115540815.

The spelling of 2681630537 in words is "two billion, six hundred eighty-one million, six hundred thirty thousand, five hundred thirty-seven".