19840001795 has 16 divisors (see below), whose sum is σ = 24200856000. Its totient is φ = 15611164800.

The previous prime is 19840001789. The next prime is 19840001801. The reversal of 19840001795 is 59710004891.

It is an interprime number because it is at equal distance from previous prime (19840001789) and next prime (19840001801).

It is not a de Polignac number, because 19840001795 - 2¹² = 19839997699 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83081 + ... + 215829.

It is an arithmetic number, because the mean of its divisors is an integer number (1512553500).

Almost surely, 2^19840001795 is an apocalyptic number.

19840001795 is a deficient number, since it is larger than the sum of its proper divisors (4360854205).

19840001795 is a wasteful number, since it uses less digits than its factorization.

19840001795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133246.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 19840001795 in words is "nineteen billion, eight hundred forty million, one thousand, seven hundred ninety-five".