60639430667 has 4 divisors (see below), whose sum is σ = 60701498616. Its totient is φ = 60577362720.

The previous prime is 60639430637. The next prime is 60639430669. The reversal of 60639430667 is 76603493606.

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 60639430667 - 2¹⁶ = 60639365131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60639430669) 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, 31032509 + ... + 31034462.

It is an arithmetic number, because the mean of its divisors is an integer number (15175374654).

Almost surely, 2^60639430667 is an apocalyptic number.

60639430667 is a deficient number, since it is larger than the sum of its proper divisors (62067949).

60639430667 is an equidigital number, since it uses as much as digits as its factorization.

60639430667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62067948.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 60639430667 in words is "sixty billion, six hundred thirty-nine million, four hundred thirty thousand, six hundred sixty-seven".