2152670345 has 16 divisors (see below), whose sum is σ = 2971792128. Its totient is φ = 1466337600.

The previous prime is 2152670309. The next prime is 2152670353. The reversal of 2152670345 is 5430762512.

It is not a de Polignac number, because 2152670345 - 2⁸ = 2152670089 is a prime.

It is a super-2 number, since 2×2152670345² = 9267979228484838050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198374 + ... + 208943.

It is an arithmetic number, because the mean of its divisors is an integer number (185737008).

Almost surely, 2^2152670345 is an apocalyptic number.

It is an amenable number.

2152670345 is a deficient number, since it is larger than the sum of its proper divisors (819121783).

2152670345 is a wasteful number, since it uses less digits than its factorization.

2152670345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407480.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2152670345 is about 46396.8786126826. The cubic root of 2152670345 is about 1291.1970030419.

The spelling of 2152670345 in words is "two billion, one hundred fifty-two million, six hundred seventy thousand, three hundred forty-five".