2149554419712 has 768 divisors, whose sum is σ = 7547904000000. Its totient is φ = 591503523840.

The previous prime is 2149554419707. The next prime is 2149554419737. The reversal of 2149554419712 is 2179144559412.

It is a happy number.

2149554419712 is a `hidden beast` number, since 2 + 1 + 4 + 9 + 5 + 544 + 1 + 97 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (768).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4307724039 + ... + 4307724537.

It is an arithmetic number, because the mean of its divisors is an integer number (9828000000).

Almost surely, 2^{2149554419712} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2149554419712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3773952000000).

2149554419712 is an abundant number, since it is smaller than the sum of its proper divisors (5398349580288).

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

2149554419712 is a wasteful number, since it uses less digits than its factorization.

2149554419712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927 (or 901 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 2149554419712 in words is "two trillion, one hundred forty-nine billion, five hundred fifty-four million, four hundred nineteen thousand, seven hundred twelve".