46189550081 has 4 divisors (see below), whose sum is σ = 46190570052. Its totient is φ = 46188530112.

The previous prime is 46189550047. The next prime is 46189550083. The reversal of 46189550081 is 18005598164.

It is a happy number.

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 21078393856 + 25111156225 = 145184^2 + 158465^2 .

It is a cyclic number.

It is not a de Polignac number, because 46189550081 - 2¹⁰ = 46189549057 is a prime.

It is a super-2 number, since 2×46189550081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46189550083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438740 + ... + 533733.

It is an arithmetic number, because the mean of its divisors is an integer number (11547642513).

Almost surely, 2^46189550081 is an apocalyptic number.

It is an amenable number.

46189550081 is a deficient number, since it is larger than the sum of its proper divisors (1019971).

46189550081 is an equidigital number, since it uses as much as digits as its factorization.

46189550081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019970.

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 46189550081 in words is "forty-six billion, one hundred eighty-nine million, five hundred fifty thousand, eighty-one".