2130531626 has 8 divisors (see below), whose sum is σ = 3273743844. Its totient is φ = 1039283680.

The previous prime is 2130531589. The next prime is 2130531629. The reversal of 2130531626 is 6261350312.

It can be written as a sum of positive squares in 2 ways, for example, as 1590015625 + 540516001 = 39875^2 + 23249^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2130531629) 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, 12990965 + ... + 12991128.

Almost surely, 2^2130531626 is an apocalyptic number.

2130531626 is a deficient number, since it is larger than the sum of its proper divisors (1143212218).

2130531626 is a wasteful number, since it uses less digits than its factorization.

2130531626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25982136.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2130531626 is about 46157.6821991746. The cubic root of 2130531626 is about 1286.7553870323.

Adding to 2130531626 its reverse (6261350312), we get a palindrome (8391881938).

The spelling of 2130531626 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, six hundred twenty-six".