1921714840332 has 288 divisors, whose sum is σ = 5876227768320. Its totient is φ = 537823540800.

The previous prime is 1921714840277. The next prime is 1921714840387. The reversal of 1921714840332 is 2330484171291.

1921714840332 is a `hidden beast` number, since 1 + 9 + 2 + 171 + 48 + 403 + 32 = 666.

It is an interprime number because it is at equal distance from previous prime (1921714840277) and next prime (1921714840387).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68250457 + ... + 68278607.

It is an arithmetic number, because the mean of its divisors is an integer number (20403568640).

Almost surely, 2^{1921714840332} is an apocalyptic number.

1921714840332 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 1921714840332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2938113884160).

1921714840332 is an abundant number, since it is smaller than the sum of its proper divisors (3954512927988).

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

1921714840332 is a wasteful number, since it uses less digits than its factorization.

1921714840332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28383 (or 28369 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 1921714840332 in words is "one trillion, nine hundred twenty-one billion, seven hundred fourteen million, eight hundred forty thousand, three hundred thirty-two".