4640972543 has 8 divisors (see below), whose sum is σ = 4656810528. Its totient is φ = 4625150464.

The previous prime is 4640972533. The next prime is 4640972569. The reversal of 4640972543 is 3452790464.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4640972543 - 2¹² = 4640968447 is a prime.

It is a super-2 number, since 2×4640972543² = 43077252289759773698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4640972494 and 4640972503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640972503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 937571 + ... + 942507.

It is an arithmetic number, because the mean of its divisors is an integer number (582101316).

Almost surely, 2^4640972543 is an apocalyptic number.

4640972543 is a deficient number, since it is larger than the sum of its proper divisors (15837985).

4640972543 is a wasteful number, since it uses less digits than its factorization.

4640972543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953.

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 4640972543 is about 68124.6838011011. The cubic root of 4640972543 is about 1668.0267061448.

The spelling of 4640972543 in words is "four billion, six hundred forty million, nine hundred seventy-two thousand, five hundred forty-three".