38421743067 has 16 divisors (see below), whose sum is σ = 57623833760. Its totient is φ = 25614493920.

The previous prime is 38421743051. The next prime is 38421743083. The reversal of 38421743067 is 76034712483.

It is an interprime number because it is at equal distance from previous prime (38421743051) and next prime (38421743083).

It is not a de Polignac number, because 38421743067 - 2⁴ = 38421743051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38421743567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8781934 + ... + 8786307.

It is an arithmetic number, because the mean of its divisors is an integer number (3601489610).

Almost surely, 2^38421743067 is an apocalyptic number.

38421743067 is a deficient number, since it is larger than the sum of its proper divisors (19202090693).

38421743067 is an frugal number, since it uses more digits than its factorization.

38421743067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568262 (or 17568244 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 38421743067 in words is "thirty-eight billion, four hundred twenty-one million, seven hundred forty-three thousand, sixty-seven".