4268502891 has 24 divisors (see below), whose sum is σ = 6345497184. Its totient is φ = 2762968320.

The previous prime is 4268502883. The next prime is 4268502929. The reversal of 4268502891 is 1982058624.

4268502891 is a `hidden beast` number, since 4 + 2 + 68 + 502 + 89 + 1 = 666.

It is not a de Polignac number, because 4268502891 - 2³ = 4268502883 is a prime.

It is a super-3 number, since 3×4268502891³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4268502841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149011 + ... + 175331.

It is an arithmetic number, because the mean of its divisors is an integer number (264395716).

Almost surely, 2^4268502891 is an apocalyptic number.

4268502891 is a deficient number, since it is larger than the sum of its proper divisors (2076994293).

4268502891 is a wasteful number, since it uses less digits than its factorization.

4268502891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26851 (or 26848 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 4268502891 is about 65333.7806268702. The cubic root of 4268502891 is about 1622.1531714350.

The spelling of 4268502891 in words is "four billion, two hundred sixty-eight million, five hundred two thousand, eight hundred ninety-one".