1053399999 has 8 divisors (see below), whose sum is σ = 1404732160. Its totient is φ = 702167256.

The previous prime is 1053399989. The next prime is 1053400013. The reversal of 1053399999 is 9999933501.

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

It is not a de Polignac number, because 1053399999 - 2⁵ = 1053399967 is a prime.

It is a super-2 number, since 2×1053399999² = 2219303115786400002, which contains 22 as substring.

It is a Duffinian number.

1053399999 is a modest number, since divided by 99999 gives 10533 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1053399959) 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, 4992 + ... + 46170.

It is an arithmetic number, because the mean of its divisors is an integer number (175591520).

Almost surely, 2^1053399999 is an apocalyptic number.

1053399999 is a deficient number, since it is larger than the sum of its proper divisors (351332161).

1053399999 is an equidigital number, since it uses as much as digits as its factorization.

1053399999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49709.

The product of its (nonzero) digits is 2657205, while the sum is 57.

The square root of 1053399999 is about 32456.1242140832. The cubic root of 1053399999 is about 1017.4922372216.

The spelling of 1053399999 in words is "one billion, fifty-three million, three hundred ninety-nine thousand, nine hundred ninety-nine".