1009969379 has 2 divisors, whose sum is σ = 1009969380. Its totient is φ = 1009969378.

The previous prime is 1009969351. The next prime is 1009969393. The reversal of 1009969379 is 9739699001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009969379 - 2²⁴ = 993192163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1009969379.

It is not a weakly prime, because it can be changed into another prime (1009969309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504984689 + 504984690.

It is an arithmetic number, because the mean of its divisors is an integer number (504984690).

Almost surely, 2^1009969379 is an apocalyptic number.

1009969379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009969379 is an equidigital number, since it uses as much as digits as its factorization.

1009969379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 826686, while the sum is 53.

The square root of 1009969379 is about 31780.0154027653. The cubic root of 1009969379 is about 1003.3121439242.

The spelling of 1009969379 in words is "one billion, nine million, nine hundred sixty-nine thousand, three hundred seventy-nine".