60489667081 has 4 divisors (see below), whose sum is σ = 62575517700. Its totient is φ = 58403816464.

The previous prime is 60489667061. The next prime is 60489667099. The reversal of 60489667081 is 18076698406.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38370541456 + 22119125625 = 195884^2 + 148725^2 .

It is a cyclic number.

It is not a de Polignac number, because 60489667081 - 2⁷ = 60489666953 is a prime.

It is a super-2 number, since 2×60489667081² (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 (60489667001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042925266 + ... + 1042925323.

It is an arithmetic number, because the mean of its divisors is an integer number (15643879425).

Almost surely, 2^60489667081 is an apocalyptic number.

It is an amenable number.

60489667081 is a deficient number, since it is larger than the sum of its proper divisors (2085850619).

60489667081 is a wasteful number, since it uses less digits than its factorization.

60489667081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085850618.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 60489667081 in words is "sixty billion, four hundred eighty-nine million, six hundred sixty-seven thousand, eighty-one".