46520266721 has 4 divisors (see below), whose sum is σ = 46520726292. Its totient is φ = 46519807152.

The previous prime is 46520266717. The next prime is 46520266733. The reversal of 46520266721 is 12766202564.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18376513600 + 28143753121 = 135560^2 + 167761^2 .

It is a cyclic number.

It is not a de Polignac number, because 46520266721 - 2² = 46520266717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46520266781) 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, 3986 + ... + 305051.

It is an arithmetic number, because the mean of its divisors is an integer number (11630181573).

Almost surely, 2^46520266721 is an apocalyptic number.

It is an amenable number.

46520266721 is a deficient number, since it is larger than the sum of its proper divisors (459571).

46520266721 is a wasteful number, since it uses less digits than its factorization.

46520266721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459570.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 46520266721 in words is "forty-six billion, five hundred twenty million, two hundred sixty-six thousand, seven hundred twenty-one".