1598913409 has 8 divisors (see below), whose sum is σ = 1606163328. Its totient is φ = 1591677360.

The previous prime is 1598913377. The next prime is 1598913413. The reversal of 1598913409 is 9043198951.

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

It is a cyclic number.

It is not a de Polignac number, because 1598913409 - 2⁵ = 1598913377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1598913209) 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, 276819 + ... + 282535.

It is an arithmetic number, because the mean of its divisors is an integer number (200770416).

Almost surely, 2^1598913409 is an apocalyptic number.

It is an amenable number.

1598913409 is a deficient number, since it is larger than the sum of its proper divisors (7249919).

1598913409 is an equidigital number, since it uses as much as digits as its factorization.

1598913409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6935.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1598913409 is about 39986.4153057010. The cubic root of 1598913409 is about 1169.3422677131.

The spelling of 1598913409 in words is "one billion, five hundred ninety-eight million, nine hundred thirteen thousand, four hundred nine".