38717457446548 has 6 divisors (see below), whose sum is σ = 67755550531466. Its totient is φ = 19358728723272.

The previous prime is 38717457446543. The next prime is 38717457446561. The reversal of 38717457446548 is 84564475471783.

It can be written as a sum of positive squares in only one way, i.e., 37977121103364 + 740336343184 = 6162558^2 + 860428^2 .

It is a super-2 number, since 2×38717457446548² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38717457446543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4839682180815 + ... + 4839682180822.

Almost surely, 2^{38717457446548} is an apocalyptic number.

It is an amenable number.

38717457446548 is a deficient number, since it is larger than the sum of its proper divisors (29038093084918).

38717457446548 is a wasteful number, since it uses less digits than its factorization.

38717457446548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9679364361641 (or 9679364361639 counting only the distinct ones).

The product of its digits is 2528870400, while the sum is 73.

The spelling of 38717457446548 in words is "thirty-eight trillion, seven hundred seventeen billion, four hundred fifty-seven million, four hundred forty-six thousand, five hundred forty-eight".