3646784463 has 16 divisors (see below), whose sum is σ = 5686238976. Its totient is φ = 2035414080.

The previous prime is 3646784447. The next prime is 3646784501. The reversal of 3646784463 is 3644876463.

It is not a de Polignac number, because 3646784463 - 2⁴ = 3646784447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646784413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2018358 + ... + 2020163.

It is an arithmetic number, because the mean of its divisors is an integer number (355389936).

Almost surely, 2^3646784463 is an apocalyptic number.

3646784463 is a deficient number, since it is larger than the sum of its proper divisors (2039454513).

3646784463 is a wasteful number, since it uses less digits than its factorization.

3646784463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038574.

The product of its digits is 6967296, while the sum is 51.

The square root of 3646784463 is about 60388.6120307463. The cubic root of 3646784463 is about 1539.2294541483.

The spelling of 3646784463 in words is "three billion, six hundred forty-six million, seven hundred eighty-four thousand, four hundred sixty-three".