619142157268 has 24 divisors (see below), whose sum is σ = 1086083474112. Its totient is φ = 308832918144.

The previous prime is 619142157259. The next prime is 619142157281. The reversal of 619142157268 is 862751241916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8063305 + ... + 8139727.

It is an arithmetic number, because the mean of its divisors is an integer number (45253478088).

Almost surely, 2^619142157268 is an apocalyptic number.

It is an amenable number.

619142157268 is a deficient number, since it is larger than the sum of its proper divisors (466941316844).

619142157268 is a wasteful number, since it uses less digits than its factorization.

619142157268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81231 (or 81229 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 52.

The spelling of 619142157268 in words is "six hundred nineteen billion, one hundred forty-two million, one hundred fifty-seven thousand, two hundred sixty-eight".