60643502481 has 16 divisors (see below), whose sum is σ = 81069664256. Its totient is φ = 40323252816.

The previous prime is 60643502471. The next prime is 60643502509. The reversal of 60643502481 is 18420534606.

It is not a de Polignac number, because 60643502481 - 2³³ = 52053567889 is a prime.

It is a super-2 number, since 2×60643502481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60643502461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467946 + ... + 3485388.

It is an arithmetic number, because the mean of its divisors is an integer number (5066854016).

Almost surely, 2^60643502481 is an apocalyptic number.

It is an amenable number.

60643502481 is a deficient number, since it is larger than the sum of its proper divisors (20426161775).

60643502481 is a wasteful number, since it uses less digits than its factorization.

60643502481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20412.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 60643502481 in words is "sixty billion, six hundred forty-three million, five hundred two thousand, four hundred eighty-one".