19941052141 has 4 divisors (see below), whose sum is σ = 20808054432. Its totient is φ = 19074049852.

The previous prime is 19941052127. The next prime is 19941052163. The reversal of 19941052141 is 14125014991.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19941052141 - 2²³ = 19932663533 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 19941052141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19941052171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 433501111 + ... + 433501156.

It is an arithmetic number, because the mean of its divisors is an integer number (5202013608).

Almost surely, 2^19941052141 is an apocalyptic number.

It is an amenable number.

19941052141 is a deficient number, since it is larger than the sum of its proper divisors (867002291).

19941052141 is an equidigital number, since it uses as much as digits as its factorization.

19941052141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867002290.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 19941052141 in words is "nineteen billion, nine hundred forty-one million, fifty-two thousand, one hundred forty-one".