746320319989 has 2 divisors, whose sum is σ = 746320319990. Its totient is φ = 746320319988.

The previous prime is 746320319929. The next prime is 746320320001. The reversal of 746320319989 is 989913023647.

746320319989 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 can be written as a sum of positive squares in only one way, i.e., 743833801764 + 2486518225 = 862458^2 + 49865^2 .

It is a cyclic number.

It is not a de Polignac number, because 746320319989 - 2¹⁵ = 746320287221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746320319929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373160159994 + 373160159995.

It is an arithmetic number, because the mean of its divisors is an integer number (373160159995).

Almost surely, 2^746320319989 is an apocalyptic number.

It is an amenable number.

746320319989 is a deficient number, since it is larger than the sum of its proper divisors (1).

746320319989 is an equidigital number, since it uses as much as digits as its factorization.

746320319989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 746320319989 in words is "seven hundred forty-six billion, three hundred twenty million, three hundred nineteen thousand, nine hundred eighty-nine".