39228565903 has 2 divisors, whose sum is σ = 39228565904. Its totient is φ = 39228565902.

The previous prime is 39228565829. The next prime is 39228565921. The reversal of 39228565903 is 30956582293.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39228565903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39228565993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19614282951 + 19614282952.

It is an arithmetic number, because the mean of its divisors is an integer number (19614282952).

Almost surely, 2^39228565903 is an apocalyptic number.

39228565903 is a deficient number, since it is larger than the sum of its proper divisors (1).

39228565903 is an equidigital number, since it uses as much as digits as its factorization.

39228565903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 39228565903 in words is "thirty-nine billion, two hundred twenty-eight million, five hundred sixty-five thousand, nine hundred three".