2130803957 has 4 divisors (see below), whose sum is σ = 2131443936. Its totient is φ = 2130163980.

The previous prime is 2130803923. The next prime is 2130803977. The reversal of 2130803957 is 7593080312.

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 2130803957 - 2⁶ = 2130803893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2130803957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130803977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314969 + ... + 321662.

It is an arithmetic number, because the mean of its divisors is an integer number (532860984).

Almost surely, 2^2130803957 is an apocalyptic number.

It is an amenable number.

2130803957 is a deficient number, since it is larger than the sum of its proper divisors (639979).

2130803957 is an equidigital number, since it uses as much as digits as its factorization.

2130803957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639978.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2130803957 is about 46160.6321122231. The cubic root of 2130803957 is about 1286.8102103523.

The spelling of 2130803957 in words is "two billion, one hundred thirty million, eight hundred three thousand, nine hundred fifty-seven".