2627666045 has 4 divisors (see below), whose sum is σ = 3153199260. Its totient is φ = 2102132832.

The previous prime is 2627666011. The next prime is 2627666117. The reversal of 2627666045 is 5406667262.

2627666045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5406667262 = 2 ⋅2703333631.

It can be written as a sum of positive squares in 2 ways, for example, as 1376558404 + 1251107641 = 37102^2 + 35371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2627666045 - 2¹⁶ = 2627600509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2627665987 and 2627666005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262766600 + ... + 262766609.

It is an arithmetic number, because the mean of its divisors is an integer number (788299815).

Almost surely, 2^2627666045 is an apocalyptic number.

It is an amenable number.

2627666045 is a deficient number, since it is larger than the sum of its proper divisors (525533215).

2627666045 is an equidigital number, since it uses as much as digits as its factorization.

2627666045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525533214.

The product of its (nonzero) digits is 725760, while the sum is 44.

The square root of 2627666045 is about 51260.7651620613. The cubic root of 2627666045 is about 1379.9289407155.

The spelling of 2627666045 in words is "two billion, six hundred twenty-seven million, six hundred sixty-six thousand, forty-five".