1929091092912 has 80 divisors (see below), whose sum is σ = 5549538780000. Its totient is φ = 641598160896.

The previous prime is 1929091092853. The next prime is 1929091092953. The reversal of 1929091092912 is 2192901909291.

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

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, 4778737 + ... + 5166672.

It is an arithmetic number, because the mean of its divisors is an integer number (69369234750).

Almost surely, 2^{1929091092912} is an apocalyptic number.

1929091092912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1929091092912 is an abundant number, since it is smaller than the sum of its proper divisors (3620447687088).

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

1929091092912 is a wasteful number, since it uses less digits than its factorization.

1929091092912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945875 (or 9945863 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 54.

It can be divided in two parts, 192909 and 1092912, that added together give a palindrome (1285821).

The spelling of 1929091092912 in words is "one trillion, nine hundred twenty-nine billion, ninety-one million, ninety-two thousand, nine hundred twelve".