2120238973 has 2 divisors, whose sum is σ = 2120238974. Its totient is φ = 2120238972.

The previous prime is 2120238961. The next prime is 2120238983. The reversal of 2120238973 is 3798320212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1288666404 + 831572569 = 35898^2 + 28837^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120238973 - 2⁵ = 2120238941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120238983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060119486 + 1060119487.

It is an arithmetic number, because the mean of its divisors is an integer number (1060119487).

Almost surely, 2^2120238973 is an apocalyptic number.

It is an amenable number.

2120238973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120238973 is an equidigital number, since it uses as much as digits as its factorization.

2120238973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 2120238973 is about 46046.0527407073. The cubic root of 2120238973 is about 1284.6799251255.

The spelling of 2120238973 in words is "two billion, one hundred twenty million, two hundred thirty-eight thousand, nine hundred seventy-three".