230066757491 has 2 divisors, whose sum is σ = 230066757492. Its totient is φ = 230066757490.

The previous prime is 230066757451. The next prime is 230066757499. The reversal of 230066757491 is 194757660032.

230066757491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230066757491 is a prime.

It is not a weakly prime, because it can be changed into another prime (230066757499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115033378745 + 115033378746.

It is an arithmetic number, because the mean of its divisors is an integer number (115033378746).

Almost surely, 2^230066757491 is an apocalyptic number.

230066757491 is a deficient number, since it is larger than the sum of its proper divisors (1).

230066757491 is an equidigital number, since it uses as much as digits as its factorization.

230066757491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 230066757491 in words is "two hundred thirty billion, sixty-six million, seven hundred fifty-seven thousand, four hundred ninety-one".