746138777089 has 2 divisors, whose sum is σ = 746138777090. Its totient is φ = 746138777088.

The previous prime is 746138776987. The next prime is 746138777149. The reversal of 746138777089 is 980777831647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 559780794225 + 186357982864 = 748185^2 + 431692^2 .

It is a cyclic number.

It is not a de Polignac number, because 746138777089 - 2⁷ = 746138776961 is a prime.

It is not a weakly prime, because it can be changed into another prime (746138777789) 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, 373069388544 + 373069388545.

It is an arithmetic number, because the mean of its divisors is an integer number (373069388545).

Almost surely, 2^746138777089 is an apocalyptic number.

It is an amenable number.

746138777089 is a deficient number, since it is larger than the sum of its proper divisors (1).

746138777089 is an equidigital number, since it uses as much as digits as its factorization.

746138777089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 746138777089 in words is "seven hundred forty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, eighty-nine".