3366947722685 has 8 divisors (see below), whose sum is σ = 4040463041880. Its totient is φ = 2693474328384.

The previous prime is 3366947722597. The next prime is 3366947722687. The reversal of 3366947722685 is 5862277496633.

It can be written as a sum of positive squares in 4 ways, for example, as 1126744036324 + 2240203686361 = 1061482^2 + 1496731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3366947722685 - 2³² = 3362652755389 is a prime.

It is a super-2 number, since 2×3366947722685² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366947722687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10304270 + ... + 10625999.

It is an arithmetic number, because the mean of its divisors is an integer number (505057880235).

Almost surely, 2^{3366947722685} is an apocalyptic number.

It is an amenable number.

3366947722685 is a deficient number, since it is larger than the sum of its proper divisors (673515319195).

3366947722685 is a wasteful number, since it uses less digits than its factorization.

3366947722685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20962447.

The product of its digits is 548674560, while the sum is 68.

The spelling of 3366947722685 in words is "three trillion, three hundred sixty-six billion, nine hundred forty-seven million, seven hundred twenty-two thousand, six hundred eighty-five".