830305090457 has 2 divisors, whose sum is σ = 830305090458. Its totient is φ = 830305090456.

The previous prime is 830305090451. The next prime is 830305090507. The reversal of 830305090457 is 754090503038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 824919879001 + 5385211456 = 908251^2 + 73384^2 .

It is a cyclic number.

It is not a de Polignac number, because 830305090457 - 2⁸ = 830305090201 is a prime.

It is not a weakly prime, because it can be changed into another prime (830305090451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415152545228 + 415152545229.

It is an arithmetic number, because the mean of its divisors is an integer number (415152545229).

Almost surely, 2^830305090457 is an apocalyptic number.

It is an amenable number.

830305090457 is a deficient number, since it is larger than the sum of its proper divisors (1).

830305090457 is an equidigital number, since it uses as much as digits as its factorization.

830305090457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 830305090457 in words is "eight hundred thirty billion, three hundred five million, ninety thousand, four hundred fifty-seven".