46946328181 has 4 divisors (see below), whose sum is σ = 47832108012. Its totient is φ = 46060548352.

The previous prime is 46946328179. The next prime is 46946328229. The reversal of 46946328181 is 18182364964.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41475359025 + 5470969156 = 203655^2 + 73966^2 .

It is a cyclic number.

It is not a de Polignac number, because 46946328181 - 2¹ = 46946328179 is a prime.

It is a super-2 number, since 2×46946328181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46946328151) 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, 442889836 + ... + 442889941.

It is an arithmetic number, because the mean of its divisors is an integer number (11958027003).

Almost surely, 2^46946328181 is an apocalyptic number.

It is an amenable number.

46946328181 is a deficient number, since it is larger than the sum of its proper divisors (885779831).

46946328181 is an equidigital number, since it uses as much as digits as its factorization.

46946328181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885779830.

The product of its digits is 1990656, while the sum is 52.

The spelling of 46946328181 in words is "forty-six billion, nine hundred forty-six million, three hundred twenty-eight thousand, one hundred eighty-one".