2158306675 has 18 divisors (see below), whose sum is σ = 3113249028. Its totient is φ = 1479980880.

The previous prime is 2158306663. The next prime is 2158306679. The reversal of 2158306675 is 5766038512.

It is not a de Polignac number, because 2158306675 - 2¹¹ = 2158304627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2158306679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 879717 + ... + 882166.

Almost surely, 2^2158306675 is an apocalyptic number.

2158306675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2158306675 is a deficient number, since it is larger than the sum of its proper divisors (954942353).

2158306675 is a wasteful number, since it uses less digits than its factorization.

2158306675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761907 (or 1761895 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2158306675 is about 46457.5793062876. The cubic root of 2158306675 is about 1292.3229332916.

The spelling of 2158306675 in words is "two billion, one hundred fifty-eight million, three hundred six thousand, six hundred seventy-five".