2097339819 has 4 divisors (see below), whose sum is σ = 2796453096. Its totient is φ = 1398226544.

The previous prime is 2097339817. The next prime is 2097339823. The reversal of 2097339819 is 9189337902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2097339819 - 2¹ = 2097339817 is a prime.

It is a super-2 number, since 2×2097339819² = 8797668632725905522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2097339817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349556634 + ... + 349556639.

It is an arithmetic number, because the mean of its divisors is an integer number (699113274).

Almost surely, 2^2097339819 is an apocalyptic number.

2097339819 is a deficient number, since it is larger than the sum of its proper divisors (699113277).

2097339819 is an equidigital number, since it uses as much as digits as its factorization.

2097339819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699113276.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 2097339819 is about 45796.7227975976. The cubic root of 2097339819 is about 1280.0382107327.

The spelling of 2097339819 in words is "two billion, ninety-seven million, three hundred thirty-nine thousand, eight hundred nineteen".