2120753773 has 2 divisors, whose sum is σ = 2120753774. Its totient is φ = 2120753772.

The previous prime is 2120753759. The next prime is 2120753821. The reversal of 2120753773 is 3773570212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1211248809 + 909504964 = 34803^2 + 30158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120753773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120153773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060376886 + 1060376887.

It is an arithmetic number, because the mean of its divisors is an integer number (1060376887).

Almost surely, 2^2120753773 is an apocalyptic number.

It is an amenable number.

2120753773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120753773 is an equidigital number, since it uses as much as digits as its factorization.

2120753773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61740, while the sum is 37.

The square root of 2120753773 is about 46051.6424571372. The cubic root of 2120753773 is about 1284.7838913474.

The spelling of 2120753773 in words is "two billion, one hundred twenty million, seven hundred fifty-three thousand, seven hundred seventy-three".