46143622187 has 4 divisors (see below), whose sum is σ = 49693131600. Its totient is φ = 42594112776.

The previous prime is 46143622183. The next prime is 46143622237. The reversal of 46143622187 is 78122634164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 46143622187 - 2² = 46143622183 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46143622181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1774754687 + ... + 1774754712.

It is an arithmetic number, because the mean of its divisors is an integer number (12423282900).

Almost surely, 2^46143622187 is an apocalyptic number.

46143622187 is a deficient number, since it is larger than the sum of its proper divisors (3549509413).

46143622187 is a wasteful number, since it uses less digits than its factorization.

46143622187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549509412.

The product of its digits is 387072, while the sum is 44.

The spelling of 46143622187 in words is "forty-six billion, one hundred forty-three million, six hundred twenty-two thousand, one hundred eighty-seven".