1014909391 has 2 divisors, whose sum is σ = 1014909392. Its totient is φ = 1014909390.

The previous prime is 1014909361. The next prime is 1014909397. The reversal of 1014909391 is 1939094101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1014909391 - 2¹¹ = 1014907343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1014909391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1014909397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507454695 + 507454696.

It is an arithmetic number, because the mean of its divisors is an integer number (507454696).

Almost surely, 2^1014909391 is an apocalyptic number.

1014909391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1014909391 is an equidigital number, since it uses as much as digits as its factorization.

1014909391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 37.

The square root of 1014909391 is about 31857.6425838448. The cubic root of 1014909391 is about 1004.9453006870.

The spelling of 1014909391 in words is "one billion, fourteen million, nine hundred nine thousand, three hundred ninety-one".