63723734541 has 12 divisors (see below), whose sum is σ = 97459829532. Its totient is φ = 39983519616.

The previous prime is 63723734527. The next prime is 63723734593. The reversal of 63723734541 is 14543732736.

63723734541 is a `hidden beast` number, since 6 + 3 + 72 + 3 + 7 + 34 + 541 = 666.

63723734541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52408944900 + 11314789641 = 228930^2 + 106371^2 .

It is not a de Polignac number, because 63723734541 - 2⁷ = 63723734413 is a prime.

It is a super-3 number, since 3×63723734541³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63723734521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208247346 + ... + 208247651.

It is an arithmetic number, because the mean of its divisors is an integer number (8121652461).

Almost surely, 2^63723734541 is an apocalyptic number.

It is an amenable number.

63723734541 is a deficient number, since it is larger than the sum of its proper divisors (33736094991).

63723734541 is a wasteful number, since it uses less digits than its factorization.

63723734541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416495020 (or 416495017 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 45.

The spelling of 63723734541 in words is "sixty-three billion, seven hundred twenty-three million, seven hundred thirty-four thousand, five hundred forty-one".