3198317613 has 4 divisors (see below), whose sum is σ = 4264423488. Its totient is φ = 2132211740.

The previous prime is 3198317609. The next prime is 3198317651. The reversal of 3198317613 is 3167138913.

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.

It is a cyclic number.

It is not a de Polignac number, because 3198317613 - 2² = 3198317609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198317653) 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, 533052933 + ... + 533052938.

It is an arithmetic number, because the mean of its divisors is an integer number (1066105872).

Almost surely, 2^3198317613 is an apocalyptic number.

It is an amenable number.

3198317613 is a deficient number, since it is larger than the sum of its proper divisors (1066105875).

3198317613 is a wasteful number, since it uses less digits than its factorization.

3198317613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066105874.

The product of its digits is 81648, while the sum is 42.

The square root of 3198317613 is about 56553.6701992010. The cubic root of 3198317613 is about 1473.3543055727.

The spelling of 3198317613 in words is "three billion, one hundred ninety-eight million, three hundred seventeen thousand, six hundred thirteen".