730520452069 has 2 divisors, whose sum is σ = 730520452070. Its totient is φ = 730520452068.

The previous prime is 730520452033. The next prime is 730520452091. The reversal of 730520452069 is 960254025037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710205651169 + 20314800900 = 842737^2 + 142530^2 .

It is an emirp because it is prime and its reverse (960254025037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 730520452069 - 2¹¹ = 730520450021 is a prime.

It is a super-2 number, since 2×730520452069² (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 (730520458069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365260226034 + 365260226035.

It is an arithmetic number, because the mean of its divisors is an integer number (365260226035).

Almost surely, 2^730520452069 is an apocalyptic number.

It is an amenable number.

730520452069 is a deficient number, since it is larger than the sum of its proper divisors (1).

730520452069 is an equidigital number, since it uses as much as digits as its factorization.

730520452069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 730520452069 in words is "seven hundred thirty billion, five hundred twenty million, four hundred fifty-two thousand, sixty-nine".