4640018343 has 4 divisors (see below), whose sum is σ = 6186691128. Its totient is φ = 3093345560.

The previous prime is 4640018333. The next prime is 4640018351. The reversal of 4640018343 is 3438100464.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4640018343 - 2⁸ = 4640018087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640018323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773336388 + ... + 773336393.

It is an arithmetic number, because the mean of its divisors is an integer number (1546672782).

Almost surely, 2^4640018343 is an apocalyptic number.

4640018343 is a deficient number, since it is larger than the sum of its proper divisors (1546672785).

4640018343 is a wasteful number, since it uses less digits than its factorization.

4640018343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546672784.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 4640018343 is about 68117.6801058286. The cubic root of 4640018343 is about 1667.9123809567.

The spelling of 4640018343 in words is "four billion, six hundred forty million, eighteen thousand, three hundred forty-three".