3646863141 has 16 divisors (see below), whose sum is σ = 5078546304. Its totient is φ = 2323404864.

The previous prime is 3646863113. The next prime is 3646863163. The reversal of 3646863141 is 1413686463.

It is not a de Polignac number, because 3646863141 - 2¹³ = 3646854949 is a prime.

It is a super-2 number, since 2×3646863141² = 26599221538368771762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3646863093 and 3646863102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646863641) 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, 53415 + ... + 100731.

It is an arithmetic number, because the mean of its divisors is an integer number (317409144).

Almost surely, 2^3646863141 is an apocalyptic number.

It is an amenable number.

3646863141 is a deficient number, since it is larger than the sum of its proper divisors (1431683163).

3646863141 is a wasteful number, since it uses less digits than its factorization.

3646863141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48460.

The product of its digits is 248832, while the sum is 42.

The square root of 3646863141 is about 60389.2634580022. The cubic root of 3646863141 is about 1539.2405235005.

The spelling of 3646863141 in words is "three billion, six hundred forty-six million, eight hundred sixty-three thousand, one hundred forty-one".