3806999690213 has 2 divisors, whose sum is σ = 3806999690214. Its totient is φ = 3806999690212.

The previous prime is 3806999690191. The next prime is 3806999690279. The reversal of 3806999690213 is 3120969996083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3119398857124 + 687600833089 = 1766182^2 + 829217^2 .

It is a cyclic number.

It is not a de Polignac number, because 3806999690213 - 2¹⁶ = 3806999624677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3806999690213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806999692213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903499845106 + 1903499845107.

It is an arithmetic number, because the mean of its divisors is an integer number (1903499845107).

Almost surely, 2^{3806999690213} is an apocalyptic number.

It is an amenable number.

3806999690213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806999690213 is an equidigital number, since it uses as much as digits as its factorization.

3806999690213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34012224, while the sum is 65.

The spelling of 3806999690213 in words is "three trillion, eight hundred six billion, nine hundred ninety-nine million, six hundred ninety thousand, two hundred thirteen".