1014923509 has 2 divisors, whose sum is σ = 1014923510. Its totient is φ = 1014923508.

The previous prime is 1014923501. The next prime is 1014923519. The reversal of 1014923509 is 9053294101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 990864484 + 24059025 = 31478^2 + 4905^2 .

It is an emirp because it is prime and its reverse (9053294101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1014923509 - 2³ = 1014923501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014923501) 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, 507461754 + 507461755.

It is an arithmetic number, because the mean of its divisors is an integer number (507461755).

Almost surely, 2^1014923509 is an apocalyptic number.

It is an amenable number.

1014923509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014923509 is an equidigital number, since it uses as much as digits as its factorization.

1014923509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 1014923509 is about 31857.8641625580. The cubic root of 1014923509 is about 1004.9499604633.

The spelling of 1014923509 in words is "one billion, fourteen million, nine hundred twenty-three thousand, five hundred nine".