2072391773 has 2 divisors, whose sum is σ = 2072391774. Its totient is φ = 2072391772.

The previous prime is 2072391691. The next prime is 2072391779. The reversal of 2072391773 is 3771932702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1471259449 + 601132324 = 38357^2 + 24518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2072391773 - 2¹⁶ = 2072326237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2072391773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2072391779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036195886 + 1036195887.

It is an arithmetic number, because the mean of its divisors is an integer number (1036195887).

Almost surely, 2^2072391773 is an apocalyptic number.

It is an amenable number.

2072391773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072391773 is an equidigital number, since it uses as much as digits as its factorization.

2072391773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 2072391773 is about 45523.5298829078. The cubic root of 2072391773 is about 1274.9425626823.

The spelling of 2072391773 in words is "two billion, seventy-two million, three hundred ninety-one thousand, seven hundred seventy-three".