1914771820752 has 120 divisors (see below), whose sum is σ = 6127240629120. Its totient is φ = 546808769280.

The previous prime is 1914771820729. The next prime is 1914771820777. The reversal of 1914771820752 is 2570281774191.

1914771820752 is a `hidden beast` number, since 1 + 91 + 477 + 1 + 82 + 0 + 7 + 5 + 2 = 666.

It is a super-2 number, since 2×1914771820752² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1589502 + ... + 2521122.

It is an arithmetic number, because the mean of its divisors is an integer number (51060338576).

Almost surely, 2^{1914771820752} is an apocalyptic number.

1914771820752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914771820752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3063620314560).

1914771820752 is an abundant number, since it is smaller than the sum of its proper divisors (4212468808368).

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

1914771820752 is a wasteful number, since it uses less digits than its factorization.

1914771820752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933681 (or 933672 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 54.

The spelling of 1914771820752 in words is "one trillion, nine hundred fourteen billion, seven hundred seventy-one million, eight hundred twenty thousand, seven hundred fifty-two".