1791936073 has 2 divisors, whose sum is σ = 1791936074. Its totient is φ = 1791936072.

The previous prime is 1791936007. The next prime is 1791936077. The reversal of 1791936073 is 3706391971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790305344 + 1630729 = 42312^2 + 1277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1791936073 is a prime.

It is a super-2 number, since 2×1791936073² = 6422069779437322658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1791936077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895968036 + 895968037.

It is an arithmetic number, because the mean of its divisors is an integer number (895968037).

Almost surely, 2^1791936073 is an apocalyptic number.

It is an amenable number.

1791936073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1791936073 is an equidigital number, since it uses as much as digits as its factorization.

1791936073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 214326, while the sum is 46.

The square root of 1791936073 is about 42331.2659035848. The cubic root of 1791936073 is about 1214.6211451244.

The spelling of 1791936073 in words is "one billion, seven hundred ninety-one million, nine hundred thirty-six thousand, seventy-three".