46643443642 has 8 divisors (see below), whose sum is σ = 69995845332. Its totient is φ = 23311495200.

The previous prime is 46643443631. The next prime is 46643443663. The reversal of 46643443642 is 24634434664.

It can be written as a sum of positive squares in 2 ways, for example, as 46182439801 + 461003841 = 214901^2 + 21471^2 .

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

It is a super-2 number, since 2×46643443642² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 46643443592 and 46643443601.

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, 5107609 + ... + 5116732.

Almost surely, 2^46643443642 is an apocalyptic number.

46643443642 is a deficient number, since it is larger than the sum of its proper divisors (23352401690).

46643443642 is a wasteful number, since it uses less digits than its factorization.

46643443642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226624.

The product of its digits is 3981312, while the sum is 46.

The spelling of 46643443642 in words is "forty-six billion, six hundred forty-three million, four hundred forty-three thousand, six hundred forty-two".