1146388819 has 2 divisors, whose sum is σ = 1146388820. Its totient is φ = 1146388818.

The previous prime is 1146388813. The next prime is 1146388843. The reversal of 1146388819 is 9188836411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1146388819 - 2⁹ = 1146388307 is a prime.

It is a super-2 number, since 2×1146388819² = 2628414648656429522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1146388813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573194409 + 573194410.

It is an arithmetic number, because the mean of its divisors is an integer number (573194410).

Almost surely, 2^1146388819 is an apocalyptic number.

1146388819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146388819 is an equidigital number, since it uses as much as digits as its factorization.

1146388819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 49.

The square root of 1146388819 is about 33858.3640922003. The cubic root of 1146388819 is about 1046.5917665963.

The spelling of 1146388819 in words is "one billion, one hundred forty-six million, three hundred eighty-eight thousand, eight hundred nineteen".