38428039143 has 48 divisors (see below), whose sum is σ = 61718228640. Its totient is φ = 23620536576.

The previous prime is 38428039129. The next prime is 38428039189. The reversal of 38428039143 is 34193082483.

It is not a de Polignac number, because 38428039143 - 2³³ = 29838104551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38428039343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4344121 + ... + 4352957.

It is an arithmetic number, because the mean of its divisors is an integer number (1285796430).

Almost surely, 2^38428039143 is an apocalyptic number.

38428039143 is a deficient number, since it is larger than the sum of its proper divisors (23290189497).

38428039143 is a wasteful number, since it uses less digits than its factorization.

38428039143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825 (or 9806 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 38428039143 in words is "thirty-eight billion, four hundred twenty-eight million, thirty-nine thousand, one hundred forty-three".