1954391276992 has 112 divisors (see below), whose sum is σ = 4835726127360. Its totient is φ = 761370624000.

The previous prime is 1954391276941. The next prime is 1954391277001. The reversal of 1954391276992 is 2996721934591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70954359 + ... + 70981897.

Almost surely, 2^{1954391276992} is an apocalyptic number.

It is an amenable number.

1954391276992 is an abundant number, since it is smaller than the sum of its proper divisors (2881334850368).

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

1954391276992 is a wasteful number, since it uses less digits than its factorization.

1954391276992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41970 (or 41960 counting only the distinct ones).

The product of its digits is 66134880, while the sum is 67.

The spelling of 1954391276992 in words is "one trillion, nine hundred fifty-four billion, three hundred ninety-one million, two hundred seventy-six thousand, nine hundred ninety-two".