3835512813 has 24 divisors (see below), whose sum is σ = 5758316928. Its totient is φ = 2267848000.

The previous prime is 3835512803. The next prime is 3835512823. The reversal of 3835512813 is 3182155383.

It is an interprime number because it is at equal distance from previous prime (3835512803) and next prime (3835512823).

It is not a de Polignac number, because 3835512813 - 2¹⁰ = 3835511789 is a prime.

It is a super-2 number, since 2×3835512813² = 29422317077374345938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835512803) 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 23 ways as a sum of consecutive naturals, for example, 113973 + ... + 143738.

It is an arithmetic number, because the mean of its divisors is an integer number (239929872).

Almost surely, 2^3835512813 is an apocalyptic number.

3835512813 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3835512813 is a deficient number, since it is larger than the sum of its proper divisors (1922804115).

3835512813 is a wasteful number, since it uses less digits than its factorization.

3835512813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257777 (or 257766 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 3835512813 is about 61931.5171217370. The cubic root of 3835512813 is about 1565.3368623668.

The spelling of 3835512813 in words is "three billion, eight hundred thirty-five million, five hundred twelve thousand, eight hundred thirteen".