6723779263 has 2 divisors, whose sum is σ = 6723779264. Its totient is φ = 6723779262.

The previous prime is 6723779219. The next prime is 6723779273. The reversal of 6723779263 is 3629773276.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6723779263 is a prime.

It is a super-3 number, since 3×6723779263³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6723779263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6723779203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361889631 + 3361889632.

It is an arithmetic number, because the mean of its divisors is an integer number (3361889632).

Almost surely, 2^6723779263 is an apocalyptic number.

6723779263 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723779263 is an equidigital number, since it uses as much as digits as its factorization.

6723779263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 52.

The square root of 6723779263 is about 81998.6540316364. The cubic root of 6723779263 is about 1887.4312838922.

The spelling of 6723779263 in words is "six billion, seven hundred twenty-three million, seven hundred seventy-nine thousand, two hundred sixty-three".