9993470434874 has 32 divisors (see below), whose sum is σ = 15154184928960. Its totient is φ = 4942341705600.

The previous prime is 9993470434847. The next prime is 9993470434921. The reversal of 9993470434874 is 4784340743999.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9993470434798 and 9993470434807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168156737 + ... + 168216155.

It is an arithmetic number, because the mean of its divisors is an integer number (473568279030).

Almost surely, 2^{9993470434874} is an apocalyptic number.

9993470434874 is a deficient number, since it is larger than the sum of its proper divisors (5160714494086).

9993470434874 is a wasteful number, since it uses less digits than its factorization.

9993470434874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61646.

The product of its (nonzero) digits is 658409472, while the sum is 71.

The spelling of 9993470434874 in words is "nine trillion, nine hundred ninety-three billion, four hundred seventy million, four hundred thirty-four thousand, eight hundred seventy-four".