38500205189 has 2 divisors, whose sum is σ = 38500205190. Its totient is φ = 38500205188.

The previous prime is 38500205171. The next prime is 38500205197. The reversal of 38500205189 is 98150200583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24953573089 + 13546632100 = 157967^2 + 116390^2 .

It is an emirp because it is prime and its reverse (98150200583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38500205189 - 2²⁴ = 38483427973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38500205489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19250102594 + 19250102595.

It is an arithmetic number, because the mean of its divisors is an integer number (19250102595).

Almost surely, 2^38500205189 is an apocalyptic number.

It is an amenable number.

38500205189 is a deficient number, since it is larger than the sum of its proper divisors (1).

38500205189 is an equidigital number, since it uses as much as digits as its factorization.

38500205189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 38500205189 in words is "thirty-eight billion, five hundred million, two hundred five thousand, one hundred eighty-nine".