730222871549 has 2 divisors, whose sum is σ = 730222871550. Its totient is φ = 730222871548.

The previous prime is 730222871489. The next prime is 730222871579. The reversal of 730222871549 is 945178222037.

730222871549 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., 655319392324 + 74903479225 = 809518^2 + 273685^2 .

It is a cyclic number.

It is not a de Polignac number, because 730222871549 - 2²⁴ = 730206094333 is a prime.

It is a super-4 number, since 4×730222871549⁴ (a number of 49 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 730222871497 and 730222871506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (730222871579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365111435774 + 365111435775.

It is an arithmetic number, because the mean of its divisors is an integer number (365111435775).

Almost surely, 2^730222871549 is an apocalyptic number.

It is an amenable number.

730222871549 is a deficient number, since it is larger than the sum of its proper divisors (1).

730222871549 is an equidigital number, since it uses as much as digits as its factorization.

730222871549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 730222871549 in words is "seven hundred thirty billion, two hundred twenty-two million, eight hundred seventy-one thousand, five hundred forty-nine".