314728991 has 2 divisors, whose sum is σ = 314728992. Its totient is φ = 314728990.

The previous prime is 314728979. The next prime is 314729003. The reversal of 314728991 is 199827413.

It is a balanced prime because it is at equal distance from previous prime (314728979) and next prime (314729003).

It is a cyclic number.

It is not a de Polignac number, because 314728991 - 2⁶ = 314728927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314728961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157364495 + 157364496.

It is an arithmetic number, because the mean of its divisors is an integer number (157364496).

Almost surely, 2^314728991 is an apocalyptic number.

314728991 is a deficient number, since it is larger than the sum of its proper divisors (1).

314728991 is an equidigital number, since it uses as much as digits as its factorization.

314728991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 314728991 is about 17740.6028927993. The cubic root of 314728991 is about 680.2140264873.

The spelling of 314728991 in words is "three hundred fourteen million, seven hundred twenty-eight thousand, nine hundred ninety-one".