38128429919 has 2 divisors, whose sum is σ = 38128429920. Its totient is φ = 38128429918.

The previous prime is 38128429903. The next prime is 38128429961. The reversal of 38128429919 is 91992482183.

38128429919 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 38128429919 - 2⁴ = 38128429903 is a prime.

It is a super-3 number, since 3×38128429919³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38128429019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19064214959 + 19064214960.

It is an arithmetic number, because the mean of its divisors is an integer number (19064214960).

Almost surely, 2^38128429919 is an apocalyptic number.

38128429919 is a deficient number, since it is larger than the sum of its proper divisors (1).

38128429919 is an equidigital number, since it uses as much as digits as its factorization.

38128429919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2239488, while the sum is 56.

The spelling of 38128429919 in words is "thirty-eight billion, one hundred twenty-eight million, four hundred twenty-nine thousand, nine hundred nineteen".