2130091837 has 2 divisors, whose sum is σ = 2130091838. Its totient is φ = 2130091836.

The previous prime is 2130091829. The next prime is 2130091849. The reversal of 2130091837 is 7381900312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1662926841 + 467164996 = 40779^2 + 21614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130091837 - 2³ = 2130091829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130091807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065045918 + 1065045919.

It is an arithmetic number, because the mean of its divisors is an integer number (1065045919).

Almost surely, 2^2130091837 is an apocalyptic number.

It is an amenable number.

2130091837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130091837 is an equidigital number, since it uses as much as digits as its factorization.

2130091837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2130091837 is about 46152.9179684232. The cubic root of 2130091837 is about 1286.6668426520. Note that the first 3 decimals are identical.

The spelling of 2130091837 in words is "two billion, one hundred thirty million, ninety-one thousand, eight hundred thirty-seven".