11409424394 has 4 divisors (see below), whose sum is σ = 17114136594. Its totient is φ = 5704712196.

The previous prime is 11409424391. The next prime is 11409424423. The reversal of 11409424394 is 49342490411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49342490411 = 43 ⋅1147499777.

It can be written as a sum of positive squares in only one way, i.e., 10105275625 + 1304148769 = 100525^2 + 36113^2 .

It is not an unprimeable number, because it can be changed into a prime (11409424391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2852356097 + ... + 2852356100.

Almost surely, 2^11409424394 is an apocalyptic number.

11409424394 is a deficient number, since it is larger than the sum of its proper divisors (5704712200).

11409424394 is an equidigital number, since it uses as much as digits as its factorization.

11409424394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704712199.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 11409424394 in words is "eleven billion, four hundred nine million, four hundred twenty-four thousand, three hundred ninety-four".