730685689133 has 2 divisors, whose sum is σ = 730685689134. Its totient is φ = 730685689132.

The previous prime is 730685689117. The next prime is 730685689157. The reversal of 730685689133 is 331986586037.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 651318403849 + 79367285284 = 807043^2 + 281722^2 .

It is an emirp because it is prime and its reverse (331986586037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730685689133 - 2⁴ = 730685689117 is a prime.

It is a super-2 number, since 2×730685689133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730685689103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365342844566 + 365342844567.

It is an arithmetic number, because the mean of its divisors is an integer number (365342844567).

Almost surely, 2^730685689133 is an apocalyptic number.

It is an amenable number.

730685689133 is a deficient number, since it is larger than the sum of its proper divisors (1).

730685689133 is an equidigital number, since it uses as much as digits as its factorization.

730685689133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 730685689133 in words is "seven hundred thirty billion, six hundred eighty-five million, six hundred eighty-nine thousand, one hundred thirty-three".