3681485705984 has 36 divisors (see below), whose sum is σ = 7349297364864. Its totient is φ = 1840565818368.

The previous prime is 3681485705983. The next prime is 3681485705987. The reversal of 3681485705984 is 4895075841863.

It is not an unprimeable number, because it can be changed into a prime (3681485705983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995809 + ... + 3368415.

It is an arithmetic number, because the mean of its divisors is an integer number (204147149024).

Almost surely, 2^{3681485705984} is an apocalyptic number.

It is an amenable number.

3681485705984 is a deficient number, since it is larger than the sum of its proper divisors (3667811658880).

3681485705984 is a wasteful number, since it uses less digits than its factorization.

3681485705984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383100 (or 1383086 counting only the distinct ones).

The product of its (nonzero) digits is 232243200, while the sum is 68.

The spelling of 3681485705984 in words is "three trillion, six hundred eighty-one billion, four hundred eighty-five million, seven hundred five thousand, nine hundred eighty-four".