730730004491 has 2 divisors, whose sum is σ = 730730004492. Its totient is φ = 730730004490.

The previous prime is 730730004463. The next prime is 730730004493. The reversal of 730730004491 is 194400037037.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-730730004491 is a prime.

Together with 730730004493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (730730004493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365365002245 + 365365002246.

It is an arithmetic number, because the mean of its divisors is an integer number (365365002246).

Almost surely, 2^730730004491 is an apocalyptic number.

730730004491 is a deficient number, since it is larger than the sum of its proper divisors (1).

730730004491 is an equidigital number, since it uses as much as digits as its factorization.

730730004491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 730730004491 in words is "seven hundred thirty billion, seven hundred thirty million, four thousand, four hundred ninety-one".