7933991441 has 2 divisors, whose sum is σ = 7933991442. Its totient is φ = 7933991440.

The previous prime is 7933991411. The next prime is 7933991459. The reversal of 7933991441 is 1441993397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7924560400 + 9431041 = 89020^2 + 3071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7933991441 is a prime.

It is a super-2 number, since 2×7933991441² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7933991441.

It is not a weakly prime, because it can be changed into another prime (7933991411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3966995720 + 3966995721.

It is an arithmetic number, because the mean of its divisors is an integer number (3966995721).

Almost surely, 2^7933991441 is an apocalyptic number.

It is an amenable number.

7933991441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7933991441 is an equidigital number, since it uses as much as digits as its factorization.

7933991441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 50.

The square root of 7933991441 is about 89072.9557217004. The cubic root of 7933991441 is about 1994.4840880932.

The spelling of 7933991441 in words is "seven billion, nine hundred thirty-three million, nine hundred ninety-one thousand, four hundred forty-one".