8030624717221 has 4 divisors (see below), whose sum is σ = 8034214627692. Its totient is φ = 8027034806752.

The previous prime is 8030624717191. The next prime is 8030624717239. The reversal of 8030624717221 is 1227174260308.

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 2302763760196 + 5727860957025 = 1517486^2 + 2393295^2 .

It is a cyclic number.

It is not a de Polignac number, because 8030624717221 - 2²³ = 8030616328613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030624717281) 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, 1794951880 + ... + 1794956353.

It is an arithmetic number, because the mean of its divisors is an integer number (2008553656923).

Almost surely, 2^{8030624717221} is an apocalyptic number.

It is an amenable number.

8030624717221 is a deficient number, since it is larger than the sum of its proper divisors (3589910471).

8030624717221 is a wasteful number, since it uses less digits than its factorization.

8030624717221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3589910470.

The product of its (nonzero) digits is 225792, while the sum is 43.

Adding to 8030624717221 its reverse (1227174260308), we get a palindrome (9257798977529).

The spelling of 8030624717221 in words is "eight trillion, thirty billion, six hundred twenty-four million, seven hundred seventeen thousand, two hundred twenty-one".