19374654011 has 4 divisors (see below), whose sum is σ = 19562757552. Its totient is φ = 19186550472.

The previous prime is 19374654001. The next prime is 19374654043. The reversal of 19374654011 is 11045647391.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 19374654011 - 2¹⁰ = 19374652987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19374654011.

It is not an unprimeable number, because it can be changed into a prime (19374654001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94051616 + ... + 94051821.

It is an arithmetic number, because the mean of its divisors is an integer number (4890689388).

Almost surely, 2^19374654011 is an apocalyptic number.

19374654011 is a deficient number, since it is larger than the sum of its proper divisors (188103541).

19374654011 is a wasteful number, since it uses less digits than its factorization.

19374654011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188103540.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 19374654011 in words is "nineteen billion, three hundred seventy-four million, six hundred fifty-four thousand, eleven".