3854633813 has 2 divisors, whose sum is σ = 3854633814. Its totient is φ = 3854633812.

The previous prime is 3854633789. The next prime is 3854633833. The reversal of 3854633813 is 3183364583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2355937444 + 1498696369 = 48538^2 + 38713^2 .

It is a cyclic number.

It is not a de Polignac number, because 3854633813 - 2⁸ = 3854633557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3854633833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927316906 + 1927316907.

It is an arithmetic number, because the mean of its divisors is an integer number (1927316907).

Almost surely, 2^3854633813 is an apocalyptic number.

It is an amenable number.

3854633813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3854633813 is an equidigital number, since it uses as much as digits as its factorization.

3854633813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 44.

The square root of 3854633813 is about 62085.6973303836. The cubic root of 3854633813 is about 1567.9337516100.

The spelling of 3854633813 in words is "three billion, eight hundred fifty-four million, six hundred thirty-three thousand, eight hundred thirteen".