1944876988692 has 72 divisors (see below), whose sum is σ = 5548081724640. Its totient is φ = 569034016320.

The previous prime is 1944876988657. The next prime is 1944876988693. The reversal of 1944876988692 is 2968896784491.

1944876988692 is a `hidden beast` number, since 1 + 9 + 448 + 7 + 6 + 9 + 8 + 86 + 92 = 666.

It is a super-2 number, since 2×1944876988692² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944876988693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84666198 + ... + 84689165.

It is an arithmetic number, because the mean of its divisors is an integer number (77056690620).

Almost surely, 2^{1944876988692} is an apocalyptic number.

1944876988692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1944876988692 is an abundant number, since it is smaller than the sum of its proper divisors (3603204735948).

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

1944876988692 is a wasteful number, since it uses less digits than its factorization.

1944876988692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169355413 (or 169355408 counting only the distinct ones).

The product of its digits is 3009871872, while the sum is 81.

The spelling of 1944876988692 in words is "one trillion, nine hundred forty-four billion, eight hundred seventy-six million, nine hundred eighty-eight thousand, six hundred ninety-two".