2097061919 has 4 divisors (see below), whose sum is σ = 2109619344. Its totient is φ = 2084504496.

The previous prime is 2097061907. The next prime is 2097061931. The reversal of 2097061919 is 9191607902.

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

It is an interprime number because it is at equal distance from previous prime (2097061907) and next prime (2097061931).

It is a cyclic number.

It is not a de Polignac number, because 2097061919 - 2⁸ = 2097061663 is a prime.

It is a super-2 number, since 2×2097061919² = 8795337384239925122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2097061919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2097061019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6278462 + ... + 6278795.

It is an arithmetic number, because the mean of its divisors is an integer number (527404836).

Almost surely, 2^2097061919 is an apocalyptic number.

2097061919 is a deficient number, since it is larger than the sum of its proper divisors (12557425).

2097061919 is a wasteful number, since it uses less digits than its factorization.

2097061919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557424.

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 2097061919 is about 45793.6886371910. The cubic root of 2097061919 is about 1279.9816727112.

The spelling of 2097061919 in words is "two billion, ninety-seven million, sixty-one thousand, nine hundred nineteen".