2127373813 has 2 divisors, whose sum is σ = 2127373814. Its totient is φ = 2127373812.

The previous prime is 2127373789. The next prime is 2127373903. The reversal of 2127373813 is 3183737212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1407900484 + 719473329 = 37522^2 + 26823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127373813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2127173813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063686906 + 1063686907.

It is an arithmetic number, because the mean of its divisors is an integer number (1063686907).

Almost surely, 2^2127373813 is an apocalyptic number.

It is an amenable number.

2127373813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127373813 is an equidigital number, since it uses as much as digits as its factorization.

2127373813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 2127373813 is about 46123.4627169297. The cubic root of 2127373813 is about 1286.1193420169.

The spelling of 2127373813 in words is "two billion, one hundred twenty-seven million, three hundred seventy-three thousand, eight hundred thirteen".