38363504243 has 2 divisors, whose sum is σ = 38363504244. Its totient is φ = 38363504242.

The previous prime is 38363504197. The next prime is 38363504251. The reversal of 38363504243 is 34240536383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38363504243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38363504243.

It is not a weakly prime, because it can be changed into another prime (38363504273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19181752121 + 19181752122.

It is an arithmetic number, because the mean of its divisors is an integer number (19181752122).

Almost surely, 2^38363504243 is an apocalyptic number.

38363504243 is a deficient number, since it is larger than the sum of its proper divisors (1).

38363504243 is an equidigital number, since it uses as much as digits as its factorization.

38363504243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 38363504243 in words is "thirty-eight billion, three hundred sixty-three million, five hundred four thousand, two hundred forty-three".