8018202973819 has 4 divisors (see below), whose sum is σ = 8018265340800. Its totient is φ = 8018140606840.

The previous prime is 8018202973799. The next prime is 8018202973873. The reversal of 8018202973819 is 9183792028108.

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 8018202973819 - 2¹³ = 8018202965627 is a prime.

It is a super-2 number, since 2×8018202973819² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) 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 (8018202970819) 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, 30990244 + ... + 31247905.

It is an arithmetic number, because the mean of its divisors is an integer number (2004566335200).

Almost surely, 2^{8018202973819} is an apocalyptic number.

8018202973819 is a deficient number, since it is larger than the sum of its proper divisors (62366981).

8018202973819 is a wasteful number, since it uses less digits than its factorization.

8018202973819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62366980.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 8018202973819 in words is "eight trillion, eighteen billion, two hundred two million, nine hundred seventy-three thousand, eight hundred nineteen".