1833432445849 has 3 divisors (see below), whose sum is σ = 1833433799893. Its totient is φ = 1833431091806.

The previous prime is 1833432445843. The next prime is 1833432445907. The reversal of 1833432445849 is 9485442343381.

The square root of 1833432445849 is 1354043.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1833432445849 - 2¹⁹ = 1833431921561 is a prime.

It is a super-2 number, since 2×1833432445849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1833432445793 and 1833432445802.

It is not an unprimeable number, because it can be changed into a prime (1833432445843) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 677022 + ... + 2031064.

Almost surely, 2^{1833432445849} is an apocalyptic number.

1833432445849 is the 1354043-rd square number.

1833432445849 is the 677022-nd centered octagonal number.

It is an amenable number.

1833432445849 is a deficient number, since it is larger than the sum of its proper divisors (1354044).

1833432445849 is an frugal number, since it uses more digits than its factorization.

1833432445849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708086 (or 1354043 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 58.

The spelling of 1833432445849 in words is "one trillion, eight hundred thirty-three billion, four hundred thirty-two million, four hundred forty-five thousand, eight hundred forty-nine".