4128999287 has 16 divisors (see below), whose sum is σ = 5020146432. Its totient is φ = 3315150720.

The previous prime is 4128999247. The next prime is 4128999311. The reversal of 4128999287 is 7829998214.

It is not a de Polignac number, because 4128999287 - 2¹² = 4128995191 is a prime.

It is a super-2 number, since 2×4128999287² = 34097270224093016738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128999247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57113 + ... + 107330.

It is an arithmetic number, because the mean of its divisors is an integer number (313759152).

Almost surely, 2^4128999287 is an apocalyptic number.

4128999287 is a deficient number, since it is larger than the sum of its proper divisors (891147145).

4128999287 is a wasteful number, since it uses less digits than its factorization.

4128999287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164678.

The product of its digits is 5225472, while the sum is 59.

The square root of 4128999287 is about 64257.2897576610. The cubic root of 4128999287 is about 1604.2852945714.

The spelling of 4128999287 in words is "four billion, one hundred twenty-eight million, nine hundred ninety-nine thousand, two hundred eighty-seven".