38298489989 has 2 divisors, whose sum is σ = 38298489990. Its totient is φ = 38298489988.

The previous prime is 38298489959. The next prime is 38298490049. The reversal of 38298489989 is 98998489283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25262559364 + 13035930625 = 158942^2 + 114175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38298489989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38298489959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19149244994 + 19149244995.

It is an arithmetic number, because the mean of its divisors is an integer number (19149244995).

Almost surely, 2^38298489989 is an apocalyptic number.

It is an amenable number.

38298489989 is a deficient number, since it is larger than the sum of its proper divisors (1).

38298489989 is an equidigital number, since it uses as much as digits as its factorization.

38298489989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 644972544, while the sum is 77.

The spelling of 38298489989 in words is "thirty-eight billion, two hundred ninety-eight million, four hundred eighty-nine thousand, nine hundred eighty-nine".