4521730453263 has 16 divisors (see below), whose sum is σ = 6698919189760. Its totient is φ = 3014460302328.

The previous prime is 4521730453259. The next prime is 4521730453283. The reversal of 4521730453263 is 3623540371254.

It is a happy number.

4521730453263 is a `hidden beast` number, since 4 + 5 + 2 + 17 + 304 + 5 + 326 + 3 = 666.

It is not a de Polignac number, because 4521730453263 - 2² = 4521730453259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521730453223) 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, 2650206 + ... + 4008372.

It is an arithmetic number, because the mean of its divisors is an integer number (418682449360).

Almost surely, 2^{4521730453263} is an apocalyptic number.

4521730453263 is a deficient number, since it is larger than the sum of its proper divisors (2177188736497).

4521730453263 is a wasteful number, since it uses less digits than its factorization.

4521730453263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481483 (or 1481477 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 45.

The spelling of 4521730453263 in words is "four trillion, five hundred twenty-one billion, seven hundred thirty million, four hundred fifty-three thousand, two hundred sixty-three".