63262261064 has 8 divisors (see below), whose sum is σ = 118616739510. Its totient is φ = 31631130528.

The previous prime is 63262261063. The next prime is 63262261081. The reversal of 63262261064 is 46016226236.

It can be written as a sum of positive squares in only one way, i.e., 41884896964 + 21377364100 = 204658^2 + 146210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×63262261064³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (63262261061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3953891309 + ... + 3953891324.

Almost surely, 2^63262261064 is an apocalyptic number.

It is an amenable number.

63262261064 is a deficient number, since it is larger than the sum of its proper divisors (55354478446).

63262261064 is a wasteful number, since it uses less digits than its factorization.

63262261064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7907782639 (or 7907782635 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 63262261064 in words is "sixty-three billion, two hundred sixty-two million, two hundred sixty-one thousand, sixty-four".