3961719243800 has 48 divisors (see below), whose sum is σ = 9218667240600. Its totient is φ = 1583368128000.

The previous prime is 3961719243799. The next prime is 3961719243809. The reversal of 3961719243800 is 83429171693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961719243809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8006510 + ... + 8486909.

Almost surely, 2^{3961719243800} is an apocalyptic number.

It is an amenable number.

3961719243800 is an abundant number, since it is smaller than the sum of its proper divisors (5256947996800).

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

3961719243800 is a wasteful number, since it uses less digits than its factorization.

3961719243800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16494636 (or 16494627 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 3961719243800 in words is "three trillion, nine hundred sixty-one billion, seven hundred nineteen million, two hundred forty-three thousand, eight hundred".