3198961755894 has 32 divisors (see below), whose sum is σ = 6402951280224. Its totient is φ = 1065482795520.

The previous prime is 3198961755893. The next prime is 3198961755911. The reversal of 3198961755894 is 4985571698913.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3198961755893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109640292 + ... + 109669464.

It is an arithmetic number, because the mean of its divisors is an integer number (200092227507).

Almost surely, 2^{3198961755894} is an apocalyptic number.

3198961755894 is an abundant number, since it is smaller than the sum of its proper divisors (3203989524330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3198961755894 is a wasteful number, since it uses less digits than its factorization.

3198961755894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42912.

The product of its digits is 587865600, while the sum is 75.

The spelling of 3198961755894 in words is "three trillion, one hundred ninety-eight billion, nine hundred sixty-one million, seven hundred fifty-five thousand, eight hundred ninety-four".