46645269721 has 16 divisors (see below), whose sum is σ = 47309927040. Its totient is φ = 45986371200.

The previous prime is 46645269707. The next prime is 46645269731. The reversal of 46645269721 is 12796254664.

46645269721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 46645269721 - 2¹¹ = 46645267673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46645269701) 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, 16675495 + ... + 16678291.

It is an arithmetic number, because the mean of its divisors is an integer number (2956870440).

Almost surely, 2^46645269721 is an apocalyptic number.

It is an amenable number.

46645269721 is a deficient number, since it is larger than the sum of its proper divisors (664657319).

46645269721 is a wasteful number, since it uses less digits than its factorization.

46645269721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744.

The product of its digits is 4354560, while the sum is 52.

The spelling of 46645269721 in words is "forty-six billion, six hundred forty-five million, two hundred sixty-nine thousand, seven hundred twenty-one".