1264483999 has 2 divisors, whose sum is σ = 1264484000. Its totient is φ = 1264483998.

The previous prime is 1264483981. The next prime is 1264484051. The reversal of 1264483999 is 9993844621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264483999 - 2⁵ = 1264483967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264483939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632241999 + 632242000.

It is an arithmetic number, because the mean of its divisors is an integer number (632242000).

Almost surely, 2^1264483999 is an apocalyptic number.

1264483999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264483999 is an equidigital number, since it uses as much as digits as its factorization.

1264483999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 55.

The square root of 1264483999 is about 35559.5837855282. The cubic root of 1264483999 is about 1081.3620215879.

The spelling of 1264483999 in words is "one billion, two hundred sixty-four million, four hundred eighty-three thousand, nine hundred ninety-nine".