6939743233 has 2 divisors, whose sum is σ = 6939743234. Its totient is φ = 6939743232.

The previous prime is 6939743197. The next prime is 6939743243. The reversal of 6939743233 is 3323479396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6366763264 + 572979969 = 79792^2 + 23937^2 .

It is a cyclic number.

It is not a de Polignac number, because 6939743233 - 2²¹ = 6937646081 is a prime.

It is a super-2 number, since 2×6939743233² = 96320072279938584578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6939743243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3469871616 + 3469871617.

It is an arithmetic number, because the mean of its divisors is an integer number (3469871617).

Almost surely, 2^6939743233 is an apocalyptic number.

It is an amenable number.

6939743233 is a deficient number, since it is larger than the sum of its proper divisors (1).

6939743233 is an equidigital number, since it uses as much as digits as its factorization.

6939743233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2204496, while the sum is 49.

The square root of 6939743233 is about 83305.1212891500. The cubic root of 6939743233 is about 1907.4264502387.

The spelling of 6939743233 in words is "six billion, nine hundred thirty-nine million, seven hundred forty-three thousand, two hundred thirty-three".