38400330185843 has 2 divisors, whose sum is σ = 38400330185844. Its totient is φ = 38400330185842.

The previous prime is 38400330185821. The next prime is 38400330185849. The reversal of 38400330185843 is 34858103300483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38400330185843 - 2²⁸ = 38400061750387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38400330185791 and 38400330185800.

It is not a weakly prime, because it can be changed into another prime (38400330185849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200165092921 + 19200165092922.

It is an arithmetic number, because the mean of its divisors is an integer number (19200165092922).

Almost surely, 2^{38400330185843} is an apocalyptic number.

38400330185843 is a deficient number, since it is larger than the sum of its proper divisors (1).

38400330185843 is an equidigital number, since it uses as much as digits as its factorization.

38400330185843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 38400330185843 in words is "thirty-eight trillion, four hundred billion, three hundred thirty million, one hundred eighty-five thousand, eight hundred forty-three".