3349347722646 has 32 divisors (see below), whose sum is σ = 6743944424448. Its totient is φ = 1108909689600.

The previous prime is 3349347722593. The next prime is 3349347722647. The reversal of 3349347722646 is 6462277439433.

It is a super-2 number, since 2×3349347722646² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3349347722646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3349347722647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6761446 + ... + 7239878.

It is an arithmetic number, because the mean of its divisors is an integer number (210748263264).

Almost surely, 2^{3349347722646} is an apocalyptic number.

3349347722646 is an abundant number, since it is smaller than the sum of its proper divisors (3394596701802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3349347722646 is a wasteful number, since it uses less digits than its factorization.

3349347722646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486316.

The product of its digits is 109734912, while the sum is 60.

The spelling of 3349347722646 in words is "three trillion, three hundred forty-nine billion, three hundred forty-seven million, seven hundred twenty-two thousand, six hundred forty-six".