38191483489 has 2 divisors, whose sum is σ = 38191483490. Its totient is φ = 38191483488.

The previous prime is 38191483483. The next prime is 38191483531. The reversal of 38191483489 is 98438419183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22228424464 + 15963059025 = 149092^2 + 126345^2 .

It is a cyclic number.

It is not a de Polignac number, because 38191483489 - 2⁹ = 38191482977 is a prime.

It is a super-2 number, since 2×38191483489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38191483483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19095741744 + 19095741745.

It is an arithmetic number, because the mean of its divisors is an integer number (19095741745).

Almost surely, 2^38191483489 is an apocalyptic number.

It is an amenable number.

38191483489 is a deficient number, since it is larger than the sum of its proper divisors (1).

38191483489 is an equidigital number, since it uses as much as digits as its factorization.

38191483489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 58.

The spelling of 38191483489 in words is "thirty-eight billion, one hundred ninety-one million, four hundred eighty-three thousand, four hundred eighty-nine".