19241242065 has 32 divisors (see below), whose sum is σ = 34283975040. Its totient is φ = 10238799168.

The previous prime is 19241241989. The next prime is 19241242081. The reversal of 19241242065 is 56024214291.

It is a happy number.

19241242065 is a `hidden beast` number, since 192 + 41 + 2 + 420 + 6 + 5 = 666.

It is not a de Polignac number, because 19241242065 - 2¹² = 19241237969 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101062 + ... + 220671.

It is an arithmetic number, because the mean of its divisors is an integer number (1071374220).

Almost surely, 2^19241242065 is an apocalyptic number.

19241242065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19241242065 is a deficient number, since it is larger than the sum of its proper divisors (15042732975).

19241242065 is a wasteful number, since it uses less digits than its factorization.

19241242065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322190 (or 322184 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 19241242065 in words is "nineteen billion, two hundred forty-one million, two hundred forty-two thousand, sixty-five".