60421540279 has 4 divisors (see below), whose sum is σ = 61100434080. Its totient is φ = 59742646480.

The previous prime is 60421540271. The next prime is 60421540327. The reversal of 60421540279 is 97204512406.

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

It is a cyclic number.

It is not a de Polignac number, because 60421540279 - 2³ = 60421540271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60421540271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339446767 + ... + 339446944.

It is an arithmetic number, because the mean of its divisors is an integer number (15275108520).

Almost surely, 2^60421540279 is an apocalyptic number.

60421540279 is a deficient number, since it is larger than the sum of its proper divisors (678893801).

60421540279 is an equidigital number, since it uses as much as digits as its factorization.

60421540279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678893800.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 60421540279 in words is "sixty billion, four hundred twenty-one million, five hundred forty thousand, two hundred seventy-nine".