11942594409 has 8 divisors (see below), whose sum is σ = 16081117632. Its totient is φ = 7882900400.

The previous prime is 11942594407. The next prime is 11942594437. The reversal of 11942594409 is 90449524911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11942594409 - 2¹ = 11942594407 is a prime.

It is a super-2 number, since 2×11942594409² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11942594407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19706949 + ... + 19707554.

It is an arithmetic number, because the mean of its divisors is an integer number (2010139704).

Almost surely, 2^11942594409 is an apocalyptic number.

It is an amenable number.

11942594409 is a deficient number, since it is larger than the sum of its proper divisors (4138523223).

11942594409 is a wasteful number, since it uses less digits than its factorization.

11942594409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39414607.

The product of its (nonzero) digits is 466560, while the sum is 48.

The spelling of 11942594409 in words is "eleven billion, nine hundred forty-two million, five hundred ninety-four thousand, four hundred nine".