730500009091 has 2 divisors, whose sum is σ = 730500009092. Its totient is φ = 730500009090.

The previous prime is 730500009089. The next prime is 730500009101. The reversal of 730500009091 is 190900005037.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 730500009091 - 2¹ = 730500009089 is a prime.

Together with 730500009089, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (730500009691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365250004545 + 365250004546.

It is an arithmetic number, because the mean of its divisors is an integer number (365250004546).

Almost surely, 2^730500009091 is an apocalyptic number.

730500009091 is a deficient number, since it is larger than the sum of its proper divisors (1).

730500009091 is an equidigital number, since it uses as much as digits as its factorization.

730500009091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8505, while the sum is 34.

The spelling of 730500009091 in words is "seven hundred thirty billion, five hundred million, nine thousand, ninety-one".