12394579470 has 256 divisors, whose sum is σ = 39504568320. Its totient is φ = 2414370816.

The previous prime is 12394579451. The next prime is 12394579499. The reversal of 12394579470 is 7497549321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2457211 + ... + 2462249.

It is an arithmetic number, because the mean of its divisors is an integer number (154314720).

Almost surely, 2^12394579470 is an apocalyptic number.

12394579470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12394579470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19752284160).

12394579470 is an abundant number, since it is smaller than the sum of its proper divisors (27109988850).

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

12394579470 is a wasteful number, since it uses less digits than its factorization.

12394579470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 12394579470 in words is "twelve billion, three hundred ninety-four million, five hundred seventy-nine thousand, four hundred seventy".