2044358643 has 8 divisors (see below), whose sum is σ = 2813741056. Its totient is φ = 1318941000.

The previous prime is 2044358627. The next prime is 2044358651. The reversal of 2044358643 is 3468534402.

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

It is not a de Polignac number, because 2044358643 - 2⁴ = 2044358627 is a prime.

It is a super-2 number, since 2×2044358643² = 8358804522417602898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044358623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10991083 + ... + 10991268.

It is an arithmetic number, because the mean of its divisors is an integer number (351717632).

Almost surely, 2^2044358643 is an apocalyptic number.

2044358643 is a deficient number, since it is larger than the sum of its proper divisors (769382413).

2044358643 is a wasteful number, since it uses less digits than its factorization.

2044358643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21982385.

The product of its (nonzero) digits is 276480, while the sum is 39.

The square root of 2044358643 is about 45214.5844059193. The cubic root of 2044358643 is about 1269.1677526266.

The spelling of 2044358643 in words is "two billion, forty-four million, three hundred fifty-eight thousand, six hundred forty-three".