1353043399 has 4 divisors (see below), whose sum is σ = 1355042664. Its totient is φ = 1351044136.

The previous prime is 1353043327. The next prime is 1353043411. The reversal of 1353043399 is 9933403531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9933403531 = 4363 ⋅2276737.

It is a cyclic number.

It is not a de Polignac number, because 1353043399 - 2²⁵ = 1319488967 is a prime.

It is a super-3 number, since 3×1353043399³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353043319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998617 + ... + 999970.

It is an arithmetic number, because the mean of its divisors is an integer number (338760666).

Almost surely, 2^1353043399 is an apocalyptic number.

1353043399 is a deficient number, since it is larger than the sum of its proper divisors (1999265).

1353043399 is an equidigital number, since it uses as much as digits as its factorization.

1353043399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999264.

The product of its (nonzero) digits is 131220, while the sum is 40.

The square root of 1353043399 is about 36783.7382412392. The cubic root of 1353043399 is about 1106.0393431478.

The spelling of 1353043399 in words is "one billion, three hundred fifty-three million, forty-three thousand, three hundred ninety-nine".