1398552359 has 4 divisors (see below), whose sum is σ = 1402702704. Its totient is φ = 1394402016.

The previous prime is 1398552313. The next prime is 1398552367. The reversal of 1398552359 is 9532558931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1398552359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398552059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2074667 + ... + 2075340.

It is an arithmetic number, because the mean of its divisors is an integer number (350675676).

Almost surely, 2^1398552359 is an apocalyptic number.

1398552359 is a deficient number, since it is larger than the sum of its proper divisors (4150345).

1398552359 is an equidigital number, since it uses as much as digits as its factorization.

1398552359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150344.

The product of its digits is 1458000, while the sum is 50.

The square root of 1398552359 is about 37397.2239477745. The cubic root of 1398552359 is about 1118.3032233935.

The spelling of 1398552359 in words is "one billion, three hundred ninety-eight million, five hundred fifty-two thousand, three hundred fifty-nine".