60391917726691 has 2 divisors, whose sum is σ = 60391917726692. Its totient is φ = 60391917726690.

The previous prime is 60391917726683. The next prime is 60391917726697. The reversal of 60391917726691 is 19662771919306.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60391917726691 - 2³ = 60391917726683 is a prime.

It is not a weakly prime, because it can be changed into another prime (60391917726697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30195958863345 + 30195958863346.

It is an arithmetic number, because the mean of its divisors is an integer number (30195958863346).

Almost surely, 2^{60391917726691} is an apocalyptic number.

60391917726691 is a deficient number, since it is larger than the sum of its proper divisors (1).

60391917726691 is an equidigital number, since it uses as much as digits as its factorization.

60391917726691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46294416, while the sum is 67.

The spelling of 60391917726691 in words is "sixty trillion, three hundred ninety-one billion, nine hundred seventeen million, seven hundred twenty-six thousand, six hundred ninety-one".