1914521949888 has 112 divisors (see below), whose sum is σ = 5515977792000. Its totient is φ = 583738057728.

The previous prime is 1914521949817. The next prime is 1914521949919. The reversal of 1914521949888 is 8889491254191.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8942728 + ... + 9154311.

Almost surely, 2^{1914521949888} is an apocalyptic number.

It is an amenable number.

1914521949888 is an abundant number, since it is smaller than the sum of its proper divisors (3601455842112).

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

1914521949888 is a wasteful number, since it uses less digits than its factorization.

1914521949888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18097102 (or 18097092 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 69.

The spelling of 1914521949888 in words is "one trillion, nine hundred fourteen billion, five hundred twenty-one million, nine hundred forty-nine thousand, eight hundred eighty-eight".