791840356033 has 2 divisors, whose sum is σ = 791840356034. Its totient is φ = 791840356032.

The previous prime is 791840355967. The next prime is 791840356049. The reversal of 791840356033 is 330653048197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771644535489 + 20195820544 = 878433^2 + 142112^2 .

It is a cyclic number.

It is not a de Polignac number, because 791840356033 - 2¹³ = 791840347841 is a prime.

It is a super-2 number, since 2×791840356033² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (791840356063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395920178016 + 395920178017.

It is an arithmetic number, because the mean of its divisors is an integer number (395920178017).

Almost surely, 2^791840356033 is an apocalyptic number.

It is an amenable number.

791840356033 is a deficient number, since it is larger than the sum of its proper divisors (1).

791840356033 is an equidigital number, since it uses as much as digits as its factorization.

791840356033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 791840356033 in words is "seven hundred ninety-one billion, eight hundred forty million, three hundred fifty-six thousand, thirty-three".