4640702891 has 16 divisors (see below), whose sum is σ = 5375393280. Its totient is φ = 3959537280.

The previous prime is 4640702867. The next prime is 4640702933. The reversal of 4640702891 is 1982070464.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640702891 is a prime.

It is a super-2 number, since 2×4640702891² = 43072246645071515762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640702191) 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, 32570 + ... + 101696.

It is an arithmetic number, because the mean of its divisors is an integer number (335962080).

Almost surely, 2^4640702891 is an apocalyptic number.

4640702891 is a deficient number, since it is larger than the sum of its proper divisors (734690389).

4640702891 is a wasteful number, since it uses less digits than its factorization.

4640702891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69514.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 4640702891 is about 68122.7046659188. The cubic root of 4640702891 is about 1667.9944000247.

The spelling of 4640702891 in words is "four billion, six hundred forty million, seven hundred two thousand, eight hundred ninety-one".