4640193811 has 16 divisors (see below), whose sum is σ = 5368727808. Its totient is φ = 3968791200.

The previous prime is 4640193787. The next prime is 4640193821. The reversal of 4640193811 is 1183910464.

It is a de Polignac number, because none of the positive numbers 2^k-4640193811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640193821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134901 + ... + 165766.

It is an arithmetic number, because the mean of its divisors is an integer number (335545488).

Almost surely, 2^4640193811 is an apocalyptic number.

4640193811 is a deficient number, since it is larger than the sum of its proper divisors (728533997).

4640193811 is a wasteful number, since it uses less digits than its factorization.

4640193811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300762.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 4640193811 is about 68118.9680705749. The cubic root of 4640193811 is about 1667.9334054110.

The spelling of 4640193811 in words is "four billion, six hundred forty million, one hundred ninety-three thousand, eight hundred eleven".