46431312646 has 16 divisors (see below), whose sum is σ = 69745179600. Its totient is φ = 23182942720.

The previous prime is 46431312589. The next prime is 46431312673. The reversal of 46431312646 is 64621313464.

46431312646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 46431312599 and 46431312608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5917686 + ... + 5925526.

It is an arithmetic number, because the mean of its divisors is an integer number (4359073725).

Almost surely, 2^46431312646 is an apocalyptic number.

46431312646 is a deficient number, since it is larger than the sum of its proper divisors (23313866954).

46431312646 is a wasteful number, since it uses less digits than its factorization.

46431312646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11639.

The product of its digits is 248832, while the sum is 40.

The spelling of 46431312646 in words is "forty-six billion, four hundred thirty-one million, three hundred twelve thousand, six hundred forty-six".