477546334499521 has 16 divisors (see below), whose sum is σ = 583481594651904. Its totient is φ = 381507196483584.

The previous prime is 477546334499473. The next prime is 477546334499557. The reversal of 477546334499521 is 125994433645774.

It is a de Polignac number, because none of the positive numbers 2^k-477546334499521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (477546334499561) 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, 19480543120 + ... + 19480567633.

It is an arithmetic number, because the mean of its divisors is an integer number (36467599665744).

Almost surely, 2^{477546334499521} is an apocalyptic number.

It is an amenable number.

477546334499521 is a deficient number, since it is larger than the sum of its proper divisors (105935260152383).

477546334499521 is a wasteful number, since it uses less digits than its factorization.

477546334499521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38961110880.

The product of its digits is 2743372800, while the sum is 73.

The spelling of 477546334499521 in words is "four hundred seventy-seven trillion, five hundred forty-six billion, three hundred thirty-four million, four hundred ninety-nine thousand, five hundred twenty-one".