60891816959 has 2 divisors, whose sum is σ = 60891816960. Its totient is φ = 60891816958.

The previous prime is 60891816943. The next prime is 60891816961. The reversal of 60891816959 is 95961819806.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 60891816959 - 2⁴ = 60891816943 is a prime.

Together with 60891816961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60891816989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30445908479 + 30445908480.

It is an arithmetic number, because the mean of its divisors is an integer number (30445908480).

Almost surely, 2^60891816959 is an apocalyptic number.

60891816959 is a deficient number, since it is larger than the sum of its proper divisors (1).

60891816959 is an equidigital number, since it uses as much as digits as its factorization.

60891816959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8398080, while the sum is 62.

The spelling of 60891816959 in words is "sixty billion, eight hundred ninety-one million, eight hundred sixteen thousand, nine hundred fifty-nine".