6769605881 has 2 divisors, whose sum is σ = 6769605882. Its totient is φ = 6769605880.

The previous prime is 6769605851. The next prime is 6769605907. The reversal of 6769605881 is 1885069676.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6613755625 + 155850256 = 81325^2 + 12484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6769605881 is a prime.

It is a super-2 number, since 2×6769605881² = 91655127568139572322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6769605851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3384802940 + 3384802941.

It is an arithmetic number, because the mean of its divisors is an integer number (3384802941).

Almost surely, 2^6769605881 is an apocalyptic number.

It is an amenable number.

6769605881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6769605881 is an equidigital number, since it uses as much as digits as its factorization.

6769605881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 6769605881 is about 82277.6147016915. The cubic root of 6769605881 is about 1891.7095736982.

The spelling of 6769605881 in words is "six billion, seven hundred sixty-nine million, six hundred five thousand, eight hundred eighty-one".