4643529986 has 4 divisors (see below), whose sum is σ = 6965294982. Its totient is φ = 2321764992.

The previous prime is 4643529941. The next prime is 4643529997. The reversal of 4643529986 is 6899253464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2977339225 + 1666190761 = 54565^2 + 40819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160882495 + ... + 1160882498.

Almost surely, 2^4643529986 is an apocalyptic number.

4643529986 is a deficient number, since it is larger than the sum of its proper divisors (2321764996).

4643529986 is a wasteful number, since it uses less digits than its factorization.

4643529986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321764995.

The product of its digits is 11197440, while the sum is 56.

The square root of 4643529986 is about 68143.4515269076. The cubic root of 4643529986 is about 1668.3330427902. Note that the first 3 decimals are identical.

The spelling of 4643529986 in words is "four billion, six hundred forty-three million, five hundred twenty-nine thousand, nine hundred eighty-six".