60615602491 has 2 divisors, whose sum is σ = 60615602492. Its totient is φ = 60615602490.

The previous prime is 60615602483. The next prime is 60615602533. The reversal of 60615602491 is 19420651606.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60615602491 - 2³ = 60615602483 is a prime.

It is not a weakly prime, because it can be changed into another prime (60615602401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30307801245 + 30307801246.

It is an arithmetic number, because the mean of its divisors is an integer number (30307801246).

Almost surely, 2^60615602491 is an apocalyptic number.

60615602491 is a deficient number, since it is larger than the sum of its proper divisors (1).

60615602491 is an equidigital number, since it uses as much as digits as its factorization.

60615602491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 60615602491 in words is "sixty billion, six hundred fifteen million, six hundred two thousand, four hundred ninety-one".