1929091919383 has 16 divisors (see below), whose sum is σ = 2012061782016. Its totient is φ = 1847443763520.

The previous prime is 1929091919347. The next prime is 1929091919387. The reversal of 1929091919383 is 3839191909291.

It is a cyclic number.

It is not a de Polignac number, because 1929091919383 - 2¹³ = 1929091911191 is a prime.

It is a super-2 number, since 2×1929091919383² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1929091919387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4364766 + ... + 4786372.

It is an arithmetic number, because the mean of its divisors is an integer number (125753861376).

Almost surely, 2^{1929091919383} is an apocalyptic number.

1929091919383 is a deficient number, since it is larger than the sum of its proper divisors (82969862633).

1929091919383 is a wasteful number, since it uses less digits than its factorization.

1929091919383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423174.

The product of its (nonzero) digits is 8503056, while the sum is 64.

The spelling of 1929091919383 in words is "one trillion, nine hundred twenty-nine billion, ninety-one million, nine hundred nineteen thousand, three hundred eighty-three".