60690691 has 2 divisors, whose sum is σ = 60690692. Its totient is φ = 60690690.

The previous prime is 60690689. The next prime is 60690713. The reversal of 60690691 is 19609606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60690691 - 2¹ = 60690689 is a prime.

Together with 60690689, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 60690691.

It is not a weakly prime, because it can be changed into another prime (60690611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30345345 + 30345346.

It is an arithmetic number, because the mean of its divisors is an integer number (30345346).

Almost surely, 2^60690691 is an apocalyptic number.

60690691 is a deficient number, since it is larger than the sum of its proper divisors (1).

60690691 is an equidigital number, since it uses as much as digits as its factorization.

60690691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 60690691 is about 7790.4230308758. The cubic root of 60690691 is about 392.9832386284.

The spelling of 60690691 in words is "sixty million, six hundred ninety thousand, six hundred ninety-one".