3643536331246 has 16 divisors (see below), whose sum is σ = 6246980578944. Its totient is φ = 1561285996344.

The previous prime is 3643536331219. The next prime is 3643536331261. The reversal of 3643536331246 is 6421336353463.

It is a super-2 number, since 2×3643536331246² (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 3643536331246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19032540 + ... + 19223023.

It is an arithmetic number, because the mean of its divisors is an integer number (390436286184).

Almost surely, 2^{3643536331246} is an apocalyptic number.

3643536331246 is a deficient number, since it is larger than the sum of its proper divisors (2603444247698).

3643536331246 is a wasteful number, since it uses less digits than its factorization.

3643536331246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38262375.

The product of its digits is 8398080, while the sum is 49.

The spelling of 3643536331246 in words is "three trillion, six hundred forty-three billion, five hundred thirty-six million, three hundred thirty-one thousand, two hundred forty-six".