63056734321 has 27 divisors (see below), whose sum is σ = 76029763329. Its totient is φ = 52142696928.

The previous prime is 63056734277. The next prime is 63056734333. The reversal of 63056734321 is 12343765036.

The square root of 63056734321 is 251111.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5233799025 + 57822935296 = 72345^2 + 240464^2 .

It is not a de Polignac number, because 63056734321 - 2¹¹ = 63056732273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63056731321) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 50974915 + ... + 50976151.

Almost surely, 2^63056734321 is an apocalyptic number.

63056734321 is the 251111-st square number.

63056734321 is the 125556-th centered octagonal number.

It is an amenable number.

63056734321 is a deficient number, since it is larger than the sum of its proper divisors (12973029008).

63056734321 is an frugal number, since it uses more digits than its factorization.

63056734321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 63056734321 in words is "sixty-three billion, fifty-six million, seven hundred thirty-four thousand, three hundred twenty-one".