4640575537645 has 16 divisors (see below), whose sum is σ = 5598005038848. Its totient is φ = 3692968332480.

The previous prime is 4640575537627. The next prime is 4640575537669. The reversal of 4640575537645 is 5467355750464.

It is not a de Polignac number, because 4640575537645 - 2²³ = 4640567149037 is a prime.

It is a super-3 number, since 3×4640575537645³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2446149 + ... + 3907018.

It is an arithmetic number, because the mean of its divisors is an integer number (349875314928).

Almost surely, 2^{4640575537645} is an apocalyptic number.

It is an amenable number.

4640575537645 is a deficient number, since it is larger than the sum of its proper divisors (957429501203).

4640575537645 is a wasteful number, since it uses less digits than its factorization.

4640575537645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6353940.

The product of its (nonzero) digits is 211680000, while the sum is 61.

The spelling of 4640575537645 in words is "four trillion, six hundred forty billion, five hundred seventy-five million, five hundred thirty-seven thousand, six hundred forty-five".