2150976645 has 48 divisors (see below), whose sum is σ = 3891534192. Its totient is φ = 1098040320.

The previous prime is 2150976637. The next prime is 2150976647. The reversal of 2150976645 is 5466790512.

It can be written as a sum of positive squares in 8 ways, for example, as 55442916 + 2095533729 = 7446^2 + 45777^2 .

It is not a de Polignac number, because 2150976645 - 2³ = 2150976637 is a prime.

It is a super-3 number, since 3×2150976645³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2150976645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150976647) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 86787 + ... + 108783.

It is an arithmetic number, because the mean of its divisors is an integer number (81073629).

Almost surely, 2^2150976645 is an apocalyptic number.

It is an amenable number.

2150976645 is a deficient number, since it is larger than the sum of its proper divisors (1740557547).

2150976645 is a wasteful number, since it uses less digits than its factorization.

2150976645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22102 (or 22099 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2150976645 is about 46378.6227156435. The cubic root of 2150976645 is about 1290.8582804620.

The spelling of 2150976645 in words is "two billion, one hundred fifty million, nine hundred seventy-six thousand, six hundred forty-five".