1047922919 has 2 divisors, whose sum is σ = 1047922920. Its totient is φ = 1047922918.

The previous prime is 1047922907. The next prime is 1047922933. The reversal of 1047922919 is 9192297401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1047922919 - 2⁸ = 1047922663 is a prime.

It is a super-2 number, since 2×1047922919² = 2196284888330961122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1047922919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047922999) 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, 523961459 + 523961460.

It is an arithmetic number, because the mean of its divisors is an integer number (523961460).

Almost surely, 2^1047922919 is an apocalyptic number.

1047922919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047922919 is an equidigital number, since it uses as much as digits as its factorization.

1047922919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 1047922919 is about 32371.6375705648. The cubic root of 1047922919 is about 1015.7257120029.

The spelling of 1047922919 in words is "one billion, forty-seven million, nine hundred twenty-two thousand, nine hundred nineteen".