2043497617 has 16 divisors (see below), whose sum is σ = 2400537600. Its totient is φ = 1738744224.

The previous prime is 2043497611. The next prime is 2043497641. The reversal of 2043497617 is 7167943402.

It is not a de Polignac number, because 2043497617 - 2³ = 2043497609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043497611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25248 + ... + 68734.

It is an arithmetic number, because the mean of its divisors is an integer number (150033600).

Almost surely, 2^2043497617 is an apocalyptic number.

It is an amenable number.

2043497617 is a deficient number, since it is larger than the sum of its proper divisors (357039983).

2043497617 is an equidigital number, since it uses as much as digits as its factorization.

2043497617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43645 (or 43631 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2043497617 is about 45205.0618515228. The cubic root of 2043497617 is about 1268.9895484272.

The spelling of 2043497617 in words is "two billion, forty-three million, four hundred ninety-seven thousand, six hundred seventeen".