4640248388493 has 48 divisors (see below), whose sum is σ = 6837407616000. Its totient is φ = 3031658461440.

The previous prime is 4640248388449. The next prime is 4640248388519. The reversal of 4640248388493 is 3948838420464.

4640248388493 is a `hidden beast` number, since 4 + 6 + 4 + 0 + 248 + 388 + 4 + 9 + 3 = 666.

It is not a de Polignac number, because 4640248388493 - 2¹⁰ = 4640248387469 is a prime.

It is a super-2 number, since 2×4640248388493² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4640248388493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640248388423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227464108 + ... + 227484506.

It is an arithmetic number, because the mean of its divisors is an integer number (142445992000).

Almost surely, 2^{4640248388493} is an apocalyptic number.

It is an amenable number.

4640248388493 is a deficient number, since it is larger than the sum of its proper divisors (2197159227507).

4640248388493 is a wasteful number, since it uses less digits than its factorization.

4640248388493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21962 (or 21959 counting only the distinct ones).

The product of its (nonzero) digits is 127401984, while the sum is 63.

The spelling of 4640248388493 in words is "four trillion, six hundred forty billion, two hundred forty-eight million, three hundred eighty-eight thousand, four hundred ninety-three".