1834644401109 has 48 divisors (see below), whose sum is σ = 2922315876480. Its totient is φ = 1101979831680.

The previous prime is 1834644401101. The next prime is 1834644401119. The reversal of 1834644401109 is 9011044464381.

1834644401109 is a `hidden beast` number, since 1 + 8 + 34 + 64 + 440 + 110 + 9 = 666.

It is not a de Polignac number, because 1834644401109 - 2³ = 1834644401101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834644401101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7061704 + ... + 7316894.

It is an arithmetic number, because the mean of its divisors is an integer number (60881580760).

Almost surely, 2^{1834644401109} is an apocalyptic number.

It is an amenable number.

1834644401109 is a deficient number, since it is larger than the sum of its proper divisors (1087671475371).

1834644401109 is a wasteful number, since it uses less digits than its factorization.

1834644401109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256682 (or 256679 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1834644401109 in words is "one trillion, eight hundred thirty-four billion, six hundred forty-four million, four hundred one thousand, one hundred nine".