606263748091 has 2 divisors, whose sum is σ = 606263748092. Its totient is φ = 606263748090.

The previous prime is 606263748053. The next prime is 606263748143. The reversal of 606263748091 is 190847362606.

It is an a-pointer prime, because the next prime (606263748143) can be obtained adding 606263748091 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 606263748091 - 2³⁷ = 468824794619 is a prime.

It is a super-2 number, since 2×606263748091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (606263748991) 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, 303131874045 + 303131874046.

It is an arithmetic number, because the mean of its divisors is an integer number (303131874046).

Almost surely, 2^606263748091 is an apocalyptic number.

606263748091 is a deficient number, since it is larger than the sum of its proper divisors (1).

606263748091 is an equidigital number, since it uses as much as digits as its factorization.

606263748091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 606263748091 in words is "six hundred six billion, two hundred sixty-three million, seven hundred forty-eight thousand, ninety-one".