1914772449942 has 256 divisors, whose sum is σ = 5039725132800. Its totient is φ = 536826470400.

The previous prime is 1914772449923. The next prime is 1914772449943. The reversal of 1914772449942 is 2499442774191.

1914772449942 is a `hidden beast` number, since 1 + 9 + 14 + 77 + 24 + 499 + 42 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1914772449942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914772449943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 72076342 + ... + 72102902.

It is an arithmetic number, because the mean of its divisors is an integer number (19686426300).

Almost surely, 2^{1914772449942} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914772449942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519862566400).

1914772449942 is an abundant number, since it is smaller than the sum of its proper divisors (3124952682858).

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

1914772449942 is a wasteful number, since it uses less digits than its factorization.

1914772449942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26681 (or 26653 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 1914772449942 in words is "one trillion, nine hundred fourteen billion, seven hundred seventy-two million, four hundred forty-nine thousand, nine hundred forty-two".