1598979963 has 16 divisors (see below), whose sum is σ = 2463920640. Its totient is φ = 903435456.

The previous prime is 1598979953. The next prime is 1598979973. The reversal of 1598979963 is 3699798951.

It is an interprime number because it is at equal distance from previous prime (1598979953) and next prime (1598979973).

It is not a de Polignac number, because 1598979963 - 2⁴ = 1598979947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1598979894 and 1598979903.

It is not an unprimeable number, because it can be changed into a prime (1598979923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425895 + ... + 429632.

It is an arithmetic number, because the mean of its divisors is an integer number (153995040).

Almost surely, 2^1598979963 is an apocalyptic number.

1598979963 is a deficient number, since it is larger than the sum of its proper divisors (864940677).

1598979963 is an equidigital number, since it uses as much as digits as its factorization.

1598979963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855626.

The product of its digits is 33067440, while the sum is 66.

The square root of 1598979963 is about 39987.2475046733. The cubic root of 1598979963 is about 1169.3584919241.

The spelling of 1598979963 in words is "one billion, five hundred ninety-eight million, nine hundred seventy-nine thousand, nine hundred sixty-three".