12433507394 has 64 divisors (see below), whose sum is σ = 25540392960. Its totient is φ = 4389707520.

The previous prime is 12433507393. The next prime is 12433507399. The reversal of 12433507394 is 49370533421.

It is a happy number.

It is a super-2 number, since 2×12433507394² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12433507393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25079 + ... + 159674.

It is an arithmetic number, because the mean of its divisors is an integer number (399068640).

Almost surely, 2^12433507394 is an apocalyptic number.

12433507394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12433507394 is an abundant number, since it is smaller than the sum of its proper divisors (13106885566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12433507394 is a wasteful number, since it uses less digits than its factorization.

12433507394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184815.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 12433507394 in words is "twelve billion, four hundred thirty-three million, five hundred seven thousand, three hundred ninety-four".