459970160521 has 3 divisors (see below), whose sum is σ = 459970838733. Its totient is φ = 459969482310.

The previous prime is 459970160491. The next prime is 459970160537. The reversal of 459970160521 is 125061079954.

It is a happy number.

The square root of 459970160521 is 678211.

It is a perfect power (a square), and thus also a powerful number.

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 is a de Polignac number, because none of the positive numbers 2^k-459970160521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (459970167521) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 339106 + ... + 1017316.

It is an arithmetic number, because the mean of its divisors is an integer number (153323612911).

Almost surely, 2^459970160521 is an apocalyptic number.

459970160521 is the 678211-st square number.

459970160521 is the 339106-th centered octagonal number.

It is an amenable number.

459970160521 is a deficient number, since it is larger than the sum of its proper divisors (678212).

459970160521 is an frugal number, since it uses more digits than its factorization.

459970160521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356422 (or 678211 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

Multiplying 459970160521 by its sum of digits (49), we get a square (22538537865529 = 4747477²).

The spelling of 459970160521 in words is "four hundred fifty-nine billion, nine hundred seventy million, one hundred sixty thousand, five hundred twenty-one".