1919619709692 has 24 divisors (see below), whose sum is σ = 4482698850000. Its totient is φ = 639360923136.

The previous prime is 1919619709619. The next prime is 1919619709699. The reversal of 1919619709692 is 2969079169191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919619709699) 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 7 ways as a sum of consecutive naturals, for example, 64023567 + ... + 64053542.

It is an arithmetic number, because the mean of its divisors is an integer number (186779118750).

Almost surely, 2^{1919619709692} is an apocalyptic number.

1919619709692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1919619709692 is an abundant number, since it is smaller than the sum of its proper divisors (2563079140308).

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

1919619709692 is a wasteful number, since it uses less digits than its factorization.

1919619709692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128078365 (or 128078363 counting only the distinct ones).

The product of its (nonzero) digits is 29760696, while the sum is 69.

The spelling of 1919619709692 in words is "one trillion, nine hundred nineteen billion, six hundred nineteen million, seven hundred nine thousand, six hundred ninety-two".