2664450545 has 16 divisors (see below), whose sum is σ = 3502161360. Its totient is φ = 1936994304.

The previous prime is 2664450533. The next prime is 2664450553. The reversal of 2664450545 is 5450544662.

2664450545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 86248369 + 2578202176 = 9287^2 + 50776^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664450545 - 2¹⁴ = 2664434161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537992 + ... + 542921.

It is an arithmetic number, because the mean of its divisors is an integer number (218885085).

Almost surely, 2^2664450545 is an apocalyptic number.

It is an amenable number.

2664450545 is a deficient number, since it is larger than the sum of its proper divisors (837710815).

2664450545 is a wasteful number, since it uses less digits than its factorization.

2664450545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080964.

The product of its (nonzero) digits is 576000, while the sum is 41.

The square root of 2664450545 is about 51618.3159837668. The cubic root of 2664450545 is about 1386.3382990029.

The spelling of 2664450545 in words is "two billion, six hundred sixty-four million, four hundred fifty thousand, five hundred forty-five".