3356647993 has 8 divisors (see below), whose sum is σ = 3423990528. Its totient is φ = 3289454064.

The previous prime is 3356647981. The next prime is 3356648017. The reversal of 3356647993 is 3997466533.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3356647993 is a prime.

It is a super-2 number, since 2×3356647993² = 22534171497821856098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3356647913) 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, 9046 + ... + 82432.

It is an arithmetic number, because the mean of its divisors is an integer number (427998816).

Almost surely, 2^3356647993 is an apocalyptic number.

It is an amenable number.

3356647993 is a deficient number, since it is larger than the sum of its proper divisors (67342535).

3356647993 is an equidigital number, since it uses as much as digits as its factorization.

3356647993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74303.

The product of its digits is 11022480, while the sum is 55.

The square root of 3356647993 is about 57936.5859625850. The cubic root of 3356647993 is about 1497.2762412339.

The spelling of 3356647993 in words is "three billion, three hundred fifty-six million, six hundred forty-seven thousand, nine hundred ninety-three".