8419031819 has 32 divisors (see below), whose sum is σ = 9481964544. Its totient is φ = 7410977280.

The previous prime is 8419031813. The next prime is 8419031867. The reversal of 8419031819 is 9181309148.

8419031819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 8419031819 - 2¹² = 8419027723 is a prime.

It is a super-2 number, since 2×8419031819² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8419031819.

It is not an unprimeable number, because it can be changed into a prime (8419031813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11330762 + ... + 11331504.

It is an arithmetic number, because the mean of its divisors is an integer number (296311392).

Almost surely, 2^8419031819 is an apocalyptic number.

8419031819 is a deficient number, since it is larger than the sum of its proper divisors (1062932725).

8419031819 is a wasteful number, since it uses less digits than its factorization.

8419031819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 8419031819 is about 91755.2822403157. The cubic root of 8419031819 is about 2034.3267835318.

The spelling of 8419031819 in words is "eight billion, four hundred nineteen million, thirty-one thousand, eight hundred nineteen".