3823828993 has 4 divisors (see below), whose sum is σ = 3861688788. Its totient is φ = 3785969200.

The previous prime is 3823828969. The next prime is 3823829033. The reversal of 3823828993 is 3998283283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3998283283 = 3023 ⋅1322621.

It can be written as a sum of positive squares in 2 ways, for example, as 1830385089 + 1993443904 = 42783^2 + 44648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3823828993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3823828093) 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, 18929746 + ... + 18929947.

It is an arithmetic number, because the mean of its divisors is an integer number (965422197).

It is a Proth number, since it is equal to 58347 ⋅ 2¹⁶ + 1 and 58347 < 2¹⁶.

Almost surely, 2^3823828993 is an apocalyptic number.

It is an amenable number.

3823828993 is a deficient number, since it is larger than the sum of its proper divisors (37859795).

3823828993 is a wasteful number, since it uses less digits than its factorization.

3823828993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37859794.

The product of its digits is 4478976, while the sum is 55.

The square root of 3823828993 is about 61837.1166290926. The cubic root of 3823828993 is about 1563.7457916357.

The spelling of 3823828993 in words is "three billion, eight hundred twenty-three million, eight hundred twenty-eight thousand, nine hundred ninety-three".