4640284743 has 4 divisors (see below), whose sum is σ = 6187046328. Its totient is φ = 3093523160.

The previous prime is 4640284723. The next prime is 4640284787. The reversal of 4640284743 is 3474820464.

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 4640284743 - 2⁵ = 4640284711 is a prime.

It is a super-2 number, since 2×4640284743² = 43064484992237152098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4640284695 and 4640284704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640284723) 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, 773380788 + ... + 773380793.

It is an arithmetic number, because the mean of its divisors is an integer number (1546761582).

Almost surely, 2^4640284743 is an apocalyptic number.

4640284743 is a deficient number, since it is larger than the sum of its proper divisors (1546761585).

4640284743 is a wasteful number, since it uses less digits than its factorization.

4640284743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546761584.

The product of its (nonzero) digits is 516096, while the sum is 42.

The square root of 4640284743 is about 68119.6355172281. The cubic root of 4640284743 is about 1667.9443006117.

The spelling of 4640284743 in words is "four billion, six hundred forty million, two hundred eighty-four thousand, seven hundred forty-three".