2130062681 has 4 divisors (see below), whose sum is σ = 2134915200. Its totient is φ = 2125210164.

The previous prime is 2130062639. The next prime is 2130062687. The reversal of 2130062681 is 1862600312.

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 a cyclic number.

It is not a de Polignac number, because 2130062681 - 2¹⁸ = 2129800537 is a prime.

It is a super-2 number, since 2×2130062681² = 9074334049977815522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130062687) 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, 2425601 + ... + 2426478.

It is an arithmetic number, because the mean of its divisors is an integer number (533728800).

Almost surely, 2^2130062681 is an apocalyptic number.

It is an amenable number.

2130062681 is a deficient number, since it is larger than the sum of its proper divisors (4852519).

2130062681 is an equidigital number, since it uses as much as digits as its factorization.

2130062681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852518.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2130062681 is about 46152.6021043234. The cubic root of 2130062681 is about 1286.6609721336.

Adding to 2130062681 its reverse (1862600312), we get a palindrome (3992662993).

The spelling of 2130062681 in words is "two billion, one hundred thirty million, sixty-two thousand, six hundred eighty-one".