1164427919 has 2 divisors, whose sum is σ = 1164427920. Its totient is φ = 1164427918.

The previous prime is 1164427909. The next prime is 1164427933. The reversal of 1164427919 is 9197244611.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1164427919 is a prime.

It is a super-2 number, since 2×1164427919² = 2711784757093341122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1164427919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1164427909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582213959 + 582213960.

It is an arithmetic number, because the mean of its divisors is an integer number (582213960).

Almost surely, 2^1164427919 is an apocalyptic number.

1164427919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1164427919 is an equidigital number, since it uses as much as digits as its factorization.

1164427919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 1164427919 is about 34123.7149062056. The cubic root of 1164427919 is about 1052.0528000867.

The spelling of 1164427919 in words is "one billion, one hundred sixty-four million, four hundred twenty-seven thousand, nine hundred nineteen".