4621999999 has 4 divisors (see below), whose sum is σ = 4648716936. Its totient is φ = 4595283064.

The previous prime is 4621999979. The next prime is 4622000083. The reversal of 4621999999 is 9999991264.

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

It is a cyclic number.

It is not a de Polignac number, because 4621999999 - 2¹¹ = 4621997951 is a prime.

It is a Duffinian number.

4621999999 is a modest number, since divided by 99999 gives 46219 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4621999919) 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, 13358209 + ... + 13358554.

It is an arithmetic number, because the mean of its divisors is an integer number (1162179234).

Almost surely, 2^4621999999 is an apocalyptic number.

4621999999 is a deficient number, since it is larger than the sum of its proper divisors (26716937).

4621999999 is a wasteful number, since it uses less digits than its factorization.

4621999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26716936.

The product of its digits is 25509168, while the sum is 67.

The square root of 4621999999 is about 67985.2925197796. The cubic root of 4621999999 is about 1665.7506075848.

The spelling of 4621999999 in words is "four billion, six hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred ninety-nine".