60615605539 has 2 divisors, whose sum is σ = 60615605540. Its totient is φ = 60615605538.

The previous prime is 60615605537. The next prime is 60615605549. The reversal of 60615605539 is 93550651606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60615605539 - 2¹ = 60615605537 is a prime.

Together with 60615605537, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (60615605537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30307802769 + 30307802770.

It is an arithmetic number, because the mean of its divisors is an integer number (30307802770).

Almost surely, 2^60615605539 is an apocalyptic number.

60615605539 is a deficient number, since it is larger than the sum of its proper divisors (1).

60615605539 is an equidigital number, since it uses as much as digits as its factorization.

60615605539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 60615605539 in words is "sixty billion, six hundred fifteen million, six hundred five thousand, five hundred thirty-nine".