12919151662838 has 32 divisors (see below), whose sum is σ = 20751817252320. Its totient is φ = 6010756968960.

The previous prime is 12919151662819. The next prime is 12919151662861. The reversal of 12919151662838 is 83826615191921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2072456 + ... + 5489387.

It is an arithmetic number, because the mean of its divisors is an integer number (648494289135).

Almost surely, 2^{12919151662838} is an apocalyptic number.

12919151662838 is a deficient number, since it is larger than the sum of its proper divisors (7832665589482).

12919151662838 is a wasteful number, since it uses less digits than its factorization.

12919151662838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7562432.

The product of its digits is 11197440, while the sum is 62.

The spelling of 12919151662838 in words is "twelve trillion, nine hundred nineteen billion, one hundred fifty-one million, six hundred sixty-two thousand, eight hundred thirty-eight".