4521716994 has 32 divisors (see below), whose sum is σ = 9162385344. Its totient is φ = 1487453760.

The previous prime is 4521716977. The next prime is 4521716999. The reversal of 4521716994 is 4996171254.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4521716999) 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, 504012 + ... + 512904.

It is an arithmetic number, because the mean of its divisors is an integer number (286324542).

Almost surely, 2^4521716994 is an apocalyptic number.

4521716994 is an abundant number, since it is smaller than the sum of its proper divisors (4640668350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4521716994 is a wasteful number, since it uses less digits than its factorization.

4521716994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002.

The product of its digits is 544320, while the sum is 48.

The square root of 4521716994 is about 67243.7134161997. The cubic root of 4521716994 is about 1653.6152129068.

The spelling of 4521716994 in words is "four billion, five hundred twenty-one million, seven hundred sixteen thousand, nine hundred ninety-four".