500500142216021 has 2 divisors, whose sum is σ = 500500142216022. Its totient is φ = 500500142216020.

The previous prime is 500500142215999. The next prime is 500500142216057. The reversal of 500500142216021 is 120612241005005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404957063367025 + 95543078848996 = 20123545^2 + 9774614^2 .

It is a cyclic number.

It is not a de Polignac number, because 500500142216021 - 2⁴⁶ = 430131398038357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500500142116021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250071108010 + 250250071108011.

It is an arithmetic number, because the mean of its divisors is an integer number (250250071108011).

Almost surely, 2^{500500142216021} is an apocalyptic number.

It is an amenable number.

500500142216021 is a deficient number, since it is larger than the sum of its proper divisors (1).

500500142216021 is an equidigital number, since it uses as much as digits as its factorization.

500500142216021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 500500142216021 in words is "five hundred trillion, five hundred billion, one hundred forty-two million, two hundred sixteen thousand, twenty-one".