1019833653138 has 32 divisors (see below), whose sum is σ = 2053502884800. Its totient is φ = 337638947520.

The previous prime is 1019833653107. The next prime is 1019833653199. The reversal of 1019833653138 is 8313563389101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16048668 + ... + 16112088.

It is an arithmetic number, because the mean of its divisors is an integer number (64171965150).

Almost surely, 2^{1019833653138} is an apocalyptic number.

1019833653138 is an abundant number, since it is smaller than the sum of its proper divisors (1033669231662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1019833653138 is a wasteful number, since it uses less digits than its factorization.

1019833653138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81562.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 1019833653138 in words is "one trillion, nineteen billion, eight hundred thirty-three million, six hundred fifty-three thousand, one hundred thirty-eight".