6011669681 has 2 divisors, whose sum is σ = 6011669682. Its totient is φ = 6011669680.

The previous prime is 6011669663. The next prime is 6011669687. The reversal of 6011669681 is 1869661106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4451024656 + 1560645025 = 66716^2 + 39505^2 .

It is a cyclic number.

It is not a de Polignac number, because 6011669681 - 2¹⁰ = 6011668657 is a prime.

It is a super-2 number, since 2×6011669681² = 72280344706909283522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6011669687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005834840 + 3005834841.

It is an arithmetic number, because the mean of its divisors is an integer number (3005834841).

Almost surely, 2^6011669681 is an apocalyptic number.

It is an amenable number.

6011669681 is a deficient number, since it is larger than the sum of its proper divisors (1).

6011669681 is an equidigital number, since it uses as much as digits as its factorization.

6011669681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 6011669681 is about 77534.9577996919. The cubic root of 6011669681 is about 1818.2978975443.

The spelling of 6011669681 in words is "six billion, eleven million, six hundred sixty-nine thousand, six hundred eighty-one".