63201752702209 has 9 divisors (see below), whose sum is σ = 69469791241249. Its totient is φ = 57456059320660.

The previous prime is 63201752702197. The next prime is 63201752702299. The reversal of 63201752702209 is 90220725710236.

The square root of 63201752702209 is 7949953.

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

It is not a de Polignac number, because 63201752702209 - 2¹⁷ = 63201752571137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63201752702299) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 87088122 + ... + 87810844.

Almost surely, 2^{63201752702209} is an apocalyptic number.

63201752702209 is the 7949953-rd square number.

63201752702209 is the 3974977-th centered octagonal number.

It is an amenable number.

63201752702209 is a deficient number, since it is larger than the sum of its proper divisors (6268038539040).

63201752702209 is an frugal number, since it uses more digits than its factorization.

63201752702209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445468 (or 722734 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 63201752702209 in words is "sixty-three trillion, two hundred one billion, seven hundred fifty-two million, seven hundred two thousand, two hundred nine".