38453249017 has 2 divisors, whose sum is σ = 38453249018. Its totient is φ = 38453249016.

The previous prime is 38453249011. The next prime is 38453249057. The reversal of 38453249017 is 71094235483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37686845161 + 766403856 = 194131^2 + 27684^2 .

It is an emirp because it is prime and its reverse (71094235483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38453249017 is a prime.

It is a super-2 number, since 2×38453249017² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38453249011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19226624508 + 19226624509.

It is an arithmetic number, because the mean of its divisors is an integer number (19226624509).

Almost surely, 2^38453249017 is an apocalyptic number.

It is an amenable number.

38453249017 is a deficient number, since it is larger than the sum of its proper divisors (1).

38453249017 is an equidigital number, since it uses as much as digits as its factorization.

38453249017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 38453249017 in words is "thirty-eight billion, four hundred fifty-three million, two hundred forty-nine thousand, seventeen".