2047399217 has 8 divisors (see below), whose sum is σ = 2120361600. Its totient is φ = 1974594384.

The previous prime is 2047399213. The next prime is 2047399231. The reversal of 2047399217 is 7129937402.

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

It is a cyclic number.

It is not a de Polignac number, because 2047399217 - 2² = 2047399213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047399213) 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, 12617 + ... + 65222.

It is an arithmetic number, because the mean of its divisors is an integer number (265045200).

Almost surely, 2^2047399217 is an apocalyptic number.

It is an amenable number.

2047399217 is a deficient number, since it is larger than the sum of its proper divisors (72962383).

2047399217 is an equidigital number, since it uses as much as digits as its factorization.

2047399217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78775.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 2047399217 is about 45248.1957319847. The cubic root of 2047399217 is about 1269.7966518824.

The spelling of 2047399217 in words is "two billion, forty-seven million, three hundred ninety-nine thousand, two hundred seventeen".