2819538863 has 4 divisors (see below), whose sum is σ = 2833707600. Its totient is φ = 2805370128.

The previous prime is 2819538851. The next prime is 2819538871. The reversal of 2819538863 is 3688359182.

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 2819538863 - 2¹⁴ = 2819522479 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 (2819538803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7084070 + ... + 7084467.

It is an arithmetic number, because the mean of its divisors is an integer number (708426900).

Almost surely, 2^2819538863 is an apocalyptic number.

2819538863 is a deficient number, since it is larger than the sum of its proper divisors (14168737).

2819538863 is a wasteful number, since it uses less digits than its factorization.

2819538863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14168736.

The product of its digits is 2488320, while the sum is 53.

The square root of 2819538863 is about 53099.3301558504. The cubic root of 2819538863 is about 1412.7306309706.

The spelling of 2819538863 in words is "two billion, eight hundred nineteen million, five hundred thirty-eight thousand, eight hundred sixty-three".