3317947336947 has 18 divisors (see below), whose sum is σ = 4447786722372. Its totient is φ = 2200100097024.

The previous prime is 3317947336897. The next prime is 3317947336981. The reversal of 3317947336947 is 7496337497133.

It is not a de Polignac number, because 3317947336947 - 2¹² = 3317947332851 is a prime.

It is a super-2 number, since 2×3317947336947² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3317947335947) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 608906679 + ... + 608912127.

It is an arithmetic number, because the mean of its divisors is an integer number (247099262354).

Almost surely, 2^{3317947336947} is an apocalyptic number.

3317947336947 is a deficient number, since it is larger than the sum of its proper divisors (1129839385425).

3317947336947 is an frugal number, since it uses more digits than its factorization.

3317947336947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11287 (or 5645 counting only the distinct ones).

The product of its digits is 216040608, while the sum is 66.

It can be divided in two parts, 331794733 and 6947, that added together give a triangular number (331801680 = T₂₅₇₆₀).

The spelling of 3317947336947 in words is "three trillion, three hundred seventeen billion, nine hundred forty-seven million, three hundred thirty-six thousand, nine hundred forty-seven".