3813806736373 has 2 divisors, whose sum is σ = 3813806736374. Its totient is φ = 3813806736372.

The previous prime is 3813806736367. The next prime is 3813806736547. The reversal of 3813806736373 is 3736376083183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3811213686289 + 2593050084 = 1952233^2 + 50922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3813806736373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3813806736073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1906903368186 + 1906903368187.

It is an arithmetic number, because the mean of its divisors is an integer number (1906903368187).

Almost surely, 2^{3813806736373} is an apocalyptic number.

It is an amenable number.

3813806736373 is a deficient number, since it is larger than the sum of its proper divisors (1).

3813806736373 is an equidigital number, since it uses as much as digits as its factorization.

3813806736373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 58.

The spelling of 3813806736373 in words is "three trillion, eight hundred thirteen billion, eight hundred six million, seven hundred thirty-six thousand, three hundred seventy-three".