38924730893 has 4 divisors (see below), whose sum is σ = 40973400960. Its totient is φ = 36876060828.

The previous prime is 38924730847. The next prime is 38924730913. The reversal of 38924730893 is 39803742983.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38924730893 - 2¹⁰ = 38924729869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38924760893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024335005 + ... + 1024335042.

It is an arithmetic number, because the mean of its divisors is an integer number (10243350240).

Almost surely, 2^38924730893 is an apocalyptic number.

It is an amenable number.

38924730893 is a deficient number, since it is larger than the sum of its proper divisors (2048670067).

38924730893 is a wasteful number, since it uses less digits than its factorization.

38924730893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048670066.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The spelling of 38924730893 in words is "thirty-eight billion, nine hundred twenty-four million, seven hundred thirty thousand, eight hundred ninety-three".