4636621705 has 4 divisors (see below), whose sum is σ = 5563946052. Its totient is φ = 3709297360.

The previous prime is 4636621679. The next prime is 4636621709. The reversal of 4636621705 is 5071266364.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 946423696 + 3690198009 = 30764^2 + 60747^2 .

It is not a de Polignac number, because 4636621705 - 2²¹ = 4634524553 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4636621709) 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, 463662166 + ... + 463662175.

It is an arithmetic number, because the mean of its divisors is an integer number (1390986513).

Almost surely, 2^4636621705 is an apocalyptic number.

It is an amenable number.

4636621705 is a deficient number, since it is larger than the sum of its proper divisors (927324347).

4636621705 is an equidigital number, since it uses as much as digits as its factorization.

4636621705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927324346.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 4636621705 is about 68092.7434092650. The cubic root of 4636621705 is about 1667.5052936632.

The spelling of 4636621705 in words is "four billion, six hundred thirty-six million, six hundred twenty-one thousand, seven hundred five".