1598450453 has 4 divisors (see below), whose sum is σ = 1603657440. Its totient is φ = 1593243468.

The previous prime is 1598450429. The next prime is 1598450459. The reversal of 1598450453 is 3540548951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3540548951 = 137 ⋅25843423.

It is a cyclic number.

It is not a de Polignac number, because 1598450453 - 2¹⁴ = 1598434069 is a prime.

It is a super-4 number, since 4×1598450453⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598450459) 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, 2603033 + ... + 2603646.

It is an arithmetic number, because the mean of its divisors is an integer number (400914360).

Almost surely, 2^1598450453 is an apocalyptic number.

It is an amenable number.

1598450453 is a deficient number, since it is larger than the sum of its proper divisors (5206987).

1598450453 is an equidigital number, since it uses as much as digits as its factorization.

1598450453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206986.

The product of its (nonzero) digits is 432000, while the sum is 44.

The square root of 1598450453 is about 39980.6259705873. The cubic root of 1598450453 is about 1169.2293980870.

The spelling of 1598450453 in words is "one billion, five hundred ninety-eight million, four hundred fifty thousand, four hundred fifty-three".