38358758443481 has 12 divisors (see below), whose sum is σ = 44651380337460. Its totient is φ = 32856854526720.

The previous prime is 38358758443399. The next prime is 38358758443501. The reversal of 38358758443481 is 18434485785383.

It can be written as a sum of positive squares in 2 ways, for example, as 5578496029456 + 32780262414025 = 2361884^2 + 5725405^2 .

It is not a de Polignac number, because 38358758443481 - 2¹⁰ = 38358758442457 is a prime.

It is a super-2 number, since 2×38358758443481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38358758440481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262798700 + ... + 262944621.

It is an arithmetic number, because the mean of its divisors is an integer number (3720948361455).

Almost surely, 2^{38358758443481} is an apocalyptic number.

It is an amenable number.

38358758443481 is a deficient number, since it is larger than the sum of its proper divisors (6292621893979).

38358758443481 is a wasteful number, since it uses less digits than its factorization.

38358758443481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525744824 (or 525744817 counting only the distinct ones).

The product of its digits is 1238630400, while the sum is 71.

The spelling of 38358758443481 in words is "thirty-eight trillion, three hundred fifty-eight billion, seven hundred fifty-eight million, four hundred forty-three thousand, four hundred eighty-one".