12464261646 has 8 divisors (see below), whose sum is σ = 24928523304. Its totient is φ = 4154753880.

The previous prime is 12464261627. The next prime is 12464261653. The reversal of 12464261646 is 64616246421.

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

12464261646 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12464261598 and 12464261607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038688465 + ... + 1038688476.

It is an arithmetic number, because the mean of its divisors is an integer number (3116065413).

Almost surely, 2^12464261646 is an apocalyptic number.

12464261646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12464261646 is a wasteful number, since it uses less digits than its factorization.

12464261646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077376946.

The product of its digits is 331776, while the sum is 42.

The spelling of 12464261646 in words is "twelve billion, four hundred sixty-four million, two hundred sixty-one thousand, six hundred forty-six".