63273402073764 has 81 divisors (see below), whose sum is σ = 167200307384929. Its totient is φ = 20173778201280.

The previous prime is 63273402073753. The next prime is 63273402073769. The reversal of 63273402073764 is 46737020437236.

The square root of 63273402073764 is 7954458.

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

63273402073764 is a `hidden beast` number, since 6 + 3 + 2 + 7 + 340 + 207 + 37 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 790068544164 + 62483333529600 = 888858^2 + 7904640^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63273402073764.

It is not an unprimeable number, because it can be changed into a prime (63273402073769) 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, 1097686384 + ... + 1097744024.

Almost surely, 2^{63273402073764} is an apocalyptic number.

63273402073764 is the 7954458-th square number.

It is an amenable number.

63273402073764 is an abundant number, since it is smaller than the sum of its proper divisors (103926905311165).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63273402073764 is an frugal number, since it uses more digits than its factorization.

63273402073764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115338 (or 57669 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 54.

The spelling of 63273402073764 in words is "sixty-three trillion, two hundred seventy-three billion, four hundred two million, seventy-three thousand, seven hundred sixty-four".