2097128315 has 8 divisors (see below), whose sum is σ = 2518629120. Its totient is φ = 1676319232.

The previous prime is 2097128309. The next prime is 2097128321. The reversal of 2097128315 is 5138217902.

It is an interprime number because it is at equal distance from previous prime (2097128309) and next prime (2097128321).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2097128315 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166235 + ... + 178404.

It is an arithmetic number, because the mean of its divisors is an integer number (314828640).

Almost surely, 2^2097128315 is an apocalyptic number.

2097128315 is a deficient number, since it is larger than the sum of its proper divisors (421500805).

2097128315 is a wasteful number, since it uses less digits than its factorization.

2097128315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345861.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 2097128315 is about 45794.4135785141. The cubic root of 2097128315 is about 1279.9951812563.

The spelling of 2097128315 in words is "two billion, ninety-seven million, one hundred twenty-eight thousand, three hundred fifteen".