37816318819 has 2 divisors, whose sum is σ = 37816318820. Its totient is φ = 37816318818.

The previous prime is 37816318783. The next prime is 37816318867. The reversal of 37816318819 is 91881361873.

It is a happy number.

37816318819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 37816318819 - 2¹⁵ = 37816286051 is a prime.

It is a super-2 number, since 2×37816318819² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 37816318819.

It is not a weakly prime, because it can be changed into another prime (37816318879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18908159409 + 18908159410.

It is an arithmetic number, because the mean of its divisors is an integer number (18908159410).

Almost surely, 2^37816318819 is an apocalyptic number.

37816318819 is a deficient number, since it is larger than the sum of its proper divisors (1).

37816318819 is an equidigital number, since it uses as much as digits as its factorization.

37816318819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 55.

The spelling of 37816318819 in words is "thirty-seven billion, eight hundred sixteen million, three hundred eighteen thousand, eight hundred nineteen".