730513200221 has 4 divisors (see below), whose sum is σ = 834872228832. Its totient is φ = 626154171612.

The previous prime is 730513200199. The next prime is 730513200227. The reversal of 730513200221 is 122002315037.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 730513200221 - 2¹⁰ = 730513199197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (730513200227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52179514295 + ... + 52179514308.

It is an arithmetic number, because the mean of its divisors is an integer number (208718057208).

Almost surely, 2^730513200221 is an apocalyptic number.

It is an amenable number.

730513200221 is a deficient number, since it is larger than the sum of its proper divisors (104359028611).

730513200221 is a wasteful number, since it uses less digits than its factorization.

730513200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104359028610.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 730513200221 its reverse (122002315037), we get a palindrome (852515515258).

The spelling of 730513200221 in words is "seven hundred thirty billion, five hundred thirteen million, two hundred thousand, two hundred twenty-one".