914980639 has 2 divisors, whose sum is σ = 914980640. Its totient is φ = 914980638.

The previous prime is 914980637. The next prime is 914980709. The reversal of 914980639 is 936089419.

It is a weak prime.

It is an emirp because it is prime and its reverse (936089419) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 914980639 - 2¹ = 914980637 is a prime.

Together with 914980637, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 914980592 and 914980601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (914980637) 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, 457490319 + 457490320.

It is an arithmetic number, because the mean of its divisors is an integer number (457490320).

Almost surely, 2^914980639 is an apocalyptic number.

914980639 is a deficient number, since it is larger than the sum of its proper divisors (1).

914980639 is an equidigital number, since it uses as much as digits as its factorization.

914980639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 914980639 is about 30248.6468953572. The cubic root of 914980639 is about 970.8168409035.

The spelling of 914980639 in words is "nine hundred fourteen million, nine hundred eighty thousand, six hundred thirty-nine".