46643421136 has 80 divisors (see below), whose sum is σ = 102297452544. Its totient is φ = 20441152512.

The previous prime is 46643421059. The next prime is 46643421137. The reversal of 46643421136 is 63112434664.

46643421136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46643421137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619825 + ... + 690991.

Almost surely, 2^46643421136 is an apocalyptic number.

46643421136 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46643421136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51148726272).

46643421136 is an abundant number, since it is smaller than the sum of its proper divisors (55654031408).

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

46643421136 is a wasteful number, since it uses less digits than its factorization.

46643421136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71348 (or 71342 counting only the distinct ones).

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

The spelling of 46643421136 in words is "forty-six billion, six hundred forty-three million, four hundred twenty-one thousand, one hundred thirty-six".