11474391439393 has 4 divisors (see below), whose sum is σ = 11475435811120. Its totient is φ = 11473347067668.

The previous prime is 11474391439369. The next prime is 11474391439403. The reversal of 11474391439393 is 39393419347411.

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 a de Polignac number, because none of the positive numbers 2^k-11474391439393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11474391439363) 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, 522169383 + ... + 522191356.

It is an arithmetic number, because the mean of its divisors is an integer number (2868858952780).

Almost surely, 2^{11474391439393} is an apocalyptic number.

It is an amenable number.

11474391439393 is a deficient number, since it is larger than the sum of its proper divisors (1044371727).

11474391439393 is a wasteful number, since it uses less digits than its factorization.

11474391439393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044371726.

The product of its digits is 26453952, while the sum is 61.

The spelling of 11474391439393 in words is "eleven trillion, four hundred seventy-four billion, three hundred ninety-one million, four hundred thirty-nine thousand, three hundred ninety-three".