3198961755903 has 8 divisors (see below), whose sum is σ = 4267666519600. Its totient is φ = 2131449081408.

The previous prime is 3198961755893. The next prime is 3198961755911. The reversal of 3198961755903 is 3095571698913.

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

It is not a de Polignac number, because 3198961755903 - 2¹³ = 3198961747711 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 (3198961755953) 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, 298016038 + ... + 298026771.

It is an arithmetic number, because the mean of its divisors is an integer number (533458314950).

Almost surely, 2^{3198961755903} is an apocalyptic number.

3198961755903 is a deficient number, since it is larger than the sum of its proper divisors (1068704763697).

3198961755903 is a wasteful number, since it uses less digits than its factorization.

3198961755903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596044601.

The product of its (nonzero) digits is 55112400, while the sum is 66.

The spelling of 3198961755903 in words is "three trillion, one hundred ninety-eight billion, nine hundred sixty-one million, seven hundred fifty-five thousand, nine hundred three".