1021834444385 has 8 divisors (see below), whose sum is σ = 1233051621120. Its totient is φ = 812900696944.

The previous prime is 1021834444373. The next prime is 1021834444391. The reversal of 1021834444385 is 5834444381201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1021834444385 - 2³⁰ = 1020760702561 is a prime.

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, 570856337 + ... + 570858126.

It is an arithmetic number, because the mean of its divisors is an integer number (154131452640).

Almost surely, 2^{1021834444385} is an apocalyptic number.

It is an amenable number.

1021834444385 is a deficient number, since it is larger than the sum of its proper divisors (211217176735).

1021834444385 is a wasteful number, since it uses less digits than its factorization.

1021834444385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141714647.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 1021834444385 in words is "one trillion, twenty-one billion, eight hundred thirty-four million, four hundred forty-four thousand, three hundred eighty-five".