46783542172081 has 16 divisors (see below), whose sum is σ = 54962776528128. Its totient is φ = 39258706924800.

The previous prime is 46783542172061. The next prime is 46783542172109. The reversal of 46783542172081 is 18027124538764.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-46783542172081 is a prime.

It is a super-2 number, since 2×46783542172081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46783542172001) 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, 29748345 + ... + 31281481.

It is an arithmetic number, because the mean of its divisors is an integer number (3435173533008).

Almost surely, 2^{46783542172081} is an apocalyptic number.

It is an amenable number.

46783542172081 is a deficient number, since it is larger than the sum of its proper divisors (8179234356047).

46783542172081 is a wasteful number, since it uses less digits than its factorization.

46783542172081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746552.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 46783542172081 in words is "forty-six trillion, seven hundred eighty-three billion, five hundred forty-two million, one hundred seventy-two thousand, eighty-one".