2130739558973 has 2 divisors, whose sum is σ = 2130739558974. Its totient is φ = 2130739558972.

The previous prime is 2130739558949. The next prime is 2130739559009. The reversal of 2130739558973 is 3798559370312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1315615882009 + 815123676964 = 1147003^2 + 902842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2130739558973 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130739558373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065369779486 + 1065369779487.

It is an arithmetic number, because the mean of its divisors is an integer number (1065369779487).

Almost surely, 2^{2130739558973} is an apocalyptic number.

It is an amenable number.

2130739558973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130739558973 is an equidigital number, since it uses as much as digits as its factorization.

2130739558973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42865200, while the sum is 62.

The spelling of 2130739558973 in words is "two trillion, one hundred thirty billion, seven hundred thirty-nine million, five hundred fifty-eight thousand, nine hundred seventy-three".