2044612697 has 4 divisors (see below), whose sum is σ = 2045602980. Its totient is φ = 2043622416.

The previous prime is 2044612693. The next prime is 2044612709. The reversal of 2044612697 is 7962164402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113976976 + 1930635721 = 10676^2 + 43939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044612697 - 2² = 2044612693 is a prime.

It is a super-2 number, since 2×2044612697² = 8360882161467227618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044612693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492038 + ... + 496175.

It is an arithmetic number, because the mean of its divisors is an integer number (511400745).

Almost surely, 2^2044612697 is an apocalyptic number.

It is an amenable number.

2044612697 is a deficient number, since it is larger than the sum of its proper divisors (990283).

2044612697 is an equidigital number, since it uses as much as digits as its factorization.

2044612697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990282.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 2044612697 is about 45217.3937440008. The cubic root of 2044612697 is about 1269.2203239289.

The spelling of 2044612697 in words is "two billion, forty-four million, six hundred twelve thousand, six hundred ninety-seven".