6749723990039 has 2 divisors, whose sum is σ = 6749723990040. Its totient is φ = 6749723990038.

The previous prime is 6749723989993. The next prime is 6749723990059. The reversal of 6749723990039 is 9300993279476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6749723990039 - 2⁸ = 6749723989783 is a prime.

It is a super-3 number, since 3×6749723990039³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6749723990059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3374861995019 + 3374861995020.

It is an arithmetic number, because the mean of its divisors is an integer number (3374861995020).

Almost surely, 2^{6749723990039} is an apocalyptic number.

6749723990039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6749723990039 is an equidigital number, since it uses as much as digits as its factorization.

6749723990039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138883248, while the sum is 68.

The spelling of 6749723990039 in words is "six trillion, seven hundred forty-nine billion, seven hundred twenty-three million, nine hundred ninety thousand, thirty-nine".