1264482899 has 8 divisors (see below), whose sum is σ = 1351864800. Its totient is φ = 1178545536.

The previous prime is 1264482887. The next prime is 1264482917. The reversal of 1264482899 is 9982844621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1264482899 - 2²⁸ = 996047443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1264482899.

It is not an unprimeable number, because it can be changed into a prime (1264482299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359324 + ... + 362825.

It is an arithmetic number, because the mean of its divisors is an integer number (168983100).

Almost surely, 2^1264482899 is an apocalyptic number.

1264482899 is a deficient number, since it is larger than the sum of its proper divisors (87381901).

1264482899 is a wasteful number, since it uses less digits than its factorization.

1264482899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722269.

The product of its digits is 1990656, while the sum is 53.

The square root of 1264482899 is about 35559.5683185272. The cubic root of 1264482899 is about 1081.3617080216.

The spelling of 1264482899 in words is "one billion, two hundred sixty-four million, four hundred eighty-two thousand, eight hundred ninety-nine".