9704209390249 has 4 divisors (see below), whose sum is σ = 10586410243920. Its totient is φ = 8822008536580.

The previous prime is 9704209390243. The next prime is 9704209390273. The reversal of 9704209390249 is 9420939024079.

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 9704209390249 - 2²⁵ = 9704175835817 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9704209390193 and 9704209390202.

It is not an unprimeable number, because it can be changed into a prime (9704209390243) 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, 441100426819 + ... + 441100426840.

It is an arithmetic number, because the mean of its divisors is an integer number (2646602560980).

Almost surely, 2^{9704209390249} is an apocalyptic number.

It is an amenable number.

9704209390249 is a deficient number, since it is larger than the sum of its proper divisors (882200853671).

9704209390249 is a wasteful number, since it uses less digits than its factorization.

9704209390249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882200853670.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 9704209390249 in words is "nine trillion, seven hundred four billion, two hundred nine million, three hundred ninety thousand, two hundred forty-nine".