4233648987 has 6 divisors (see below), whose sum is σ = 6115270772. Its totient is φ = 2822432652.

The previous prime is 4233648983. The next prime is 4233649001. The reversal of 4233648987 is 7898463324.

4233648987 is a `hidden beast` number, since 423 + 3 + 64 + 89 + 87 = 666.

It is not a de Polignac number, because 4233648987 - 2² = 4233648983 is a prime.

It is a super-2 number, since 2×4233648987² = 35847567490252252338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4233648983) 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 5 ways as a sum of consecutive naturals, for example, 235202713 + ... + 235202730.

Almost surely, 2^4233648987 is an apocalyptic number.

4233648987 is a deficient number, since it is larger than the sum of its proper divisors (1881621785).

4233648987 is a wasteful number, since it uses less digits than its factorization.

4233648987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470405449 (or 470405446 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 4233648987 is about 65066.4966553448. The cubic root of 4233648987 is about 1617.7259393882.

The spelling of 4233648987 in words is "four billion, two hundred thirty-three million, six hundred forty-eight thousand, nine hundred eighty-seven".