38963133243 has 16 divisors (see below), whose sum is σ = 59131044000. Its totient is φ = 25341874560.

The previous prime is 38963133227. The next prime is 38963133263. The reversal of 38963133243 is 34233136983.

38963133243 is a `hidden beast` number, since 3 + 8 + 9 + 6 + 313 + 324 + 3 = 666.

It is not a de Polignac number, because 38963133243 - 2⁴ = 38963133227 is a prime.

It is a super-2 number, since 2×38963133243² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38963133203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17597418 + ... + 17599631.

It is an arithmetic number, because the mean of its divisors is an integer number (3695690250).

Almost surely, 2^38963133243 is an apocalyptic number.

38963133243 is a deficient number, since it is larger than the sum of its proper divisors (20167910757).

38963133243 is a wasteful number, since it uses less digits than its factorization.

38963133243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35197099 (or 35197093 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The spelling of 38963133243 in words is "thirty-eight billion, nine hundred sixty-three million, one hundred thirty-three thousand, two hundred forty-three".