2666462545 has 4 divisors (see below), whose sum is σ = 3199755060. Its totient is φ = 2133170032.

The previous prime is 2666462543. The next prime is 2666462569. The reversal of 2666462545 is 5452646662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1882518544 + 783944001 = 43388^2 + 27999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2666462545 - 2¹ = 2666462543 is a prime.

It is a super-2 number, since 2×2666462545² = 14220045007775754050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2666462495 and 2666462504.

It is not an unprimeable number, because it can be changed into a prime (2666462543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266646250 + ... + 266646259.

It is an arithmetic number, because the mean of its divisors is an integer number (799938765).

Almost surely, 2^2666462545 is an apocalyptic number.

It is an amenable number.

2666462545 is a deficient number, since it is larger than the sum of its proper divisors (533292515).

2666462545 is an equidigital number, since it uses as much as digits as its factorization.

2666462545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533292514.

The product of its digits is 2073600, while the sum is 46.

The square root of 2666462545 is about 51637.8015120706. The cubic root of 2666462545 is about 1386.6871652837.

The spelling of 2666462545 in words is "two billion, six hundred sixty-six million, four hundred sixty-two thousand, five hundred forty-five".