1940073847057 has 2 divisors, whose sum is σ = 1940073847058. Its totient is φ = 1940073847056.

The previous prime is 1940073847007. The next prime is 1940073847087. The reversal of 1940073847057 is 7507483700491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1934224503696 + 5849343361 = 1390764^2 + 76481^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940073847057 - 2³⁵ = 1905714108689 is a prime.

It is a super-2 number, since 2×1940073847057² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1940073846989 and 1940073847007.

It is not a weakly prime, because it can be changed into another prime (1940073847007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970036923528 + 970036923529.

It is an arithmetic number, because the mean of its divisors is an integer number (970036923529).

Almost surely, 2^{1940073847057} is an apocalyptic number.

It is an amenable number.

1940073847057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940073847057 is an equidigital number, since it uses as much as digits as its factorization.

1940073847057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 1940073847057 in words is "one trillion, nine hundred forty billion, seventy-three million, eight hundred forty-seven thousand, fifty-seven".