3683215138864 has 40 divisors (see below), whose sum is σ = 7142791738320. Its totient is φ = 1839914723328.

The previous prime is 3683215138847. The next prime is 3683215138957. The reversal of 3683215138864 is 4688315123863.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3683215138799 and 3683215138808.

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, 100044492 + ... + 100081300.

It is an arithmetic number, because the mean of its divisors is an integer number (178569793458).

Almost surely, 2^{3683215138864} is an apocalyptic number.

It is an amenable number.

3683215138864 is a deficient number, since it is larger than the sum of its proper divisors (3459576599456).

3683215138864 is a wasteful number, since it uses less digits than its factorization.

3683215138864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42397 (or 42391 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 58.

The spelling of 3683215138864 in words is "three trillion, six hundred eighty-three billion, two hundred fifteen million, one hundred thirty-eight thousand, eight hundred sixty-four".