9993539001 has 4 divisors (see below), whose sum is σ = 13324718672. Its totient is φ = 6662359332.

The previous prime is 9993538993. The next prime is 9993539009. The reversal of 9993539001 is 1009353999.

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 an interprime number because it is at equal distance from previous prime (9993538993) and next prime (9993539009).

It is not a de Polignac number, because 9993539001 - 2³ = 9993538993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9993539009) 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, 1665589831 + ... + 1665589836.

It is an arithmetic number, because the mean of its divisors is an integer number (3331179668).

Almost surely, 2^9993539001 is an apocalyptic number.

It is an amenable number.

9993539001 is a deficient number, since it is larger than the sum of its proper divisors (3331179671).

9993539001 is a wasteful number, since it uses less digits than its factorization.

9993539001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3331179670.

The product of its (nonzero) digits is 295245, while the sum is 48.

The square root of 9993539001 is about 99967.6897852501. The cubic root of 9993539001 is about 2153.9705967214.

The spelling of 9993539001 in words is "nine billion, nine hundred ninety-three million, five hundred thirty-nine thousand, one".