38967198809 has 16 divisors (see below), whose sum is σ = 49167820800. Its totient is φ = 29998214160.

The previous prime is 38967198797. The next prime is 38967198821. The reversal of 38967198809 is 90889176983.

It is an interprime number because it is at equal distance from previous prime (38967198797) and next prime (38967198821).

It is a cyclic number.

It is not a de Polignac number, because 38967198809 - 2¹² = 38967194713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38967198899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042209 + ... + 3054990.

It is an arithmetic number, because the mean of its divisors is an integer number (3072988800).

Almost surely, 2^38967198809 is an apocalyptic number.

It is an amenable number.

38967198809 is a deficient number, since it is larger than the sum of its proper divisors (10200621991).

38967198809 is a wasteful number, since it uses less digits than its factorization.

38967198809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097300.

The product of its (nonzero) digits is 47029248, while the sum is 68.

The spelling of 38967198809 in words is "thirty-eight billion, nine hundred sixty-seven million, one hundred ninety-eight thousand, eight hundred nine".