2662809427 has 4 divisors (see below), whose sum is σ = 2662949520. Its totient is φ = 2662669336.

The previous prime is 2662809407. The next prime is 2662809437. The reversal of 2662809427 is 7249082662.

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

It is a cyclic number.

It is not a de Polignac number, because 2662809427 - 2¹⁵ = 2662776659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662809407) 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, 36028 + ... + 81385.

It is an arithmetic number, because the mean of its divisors is an integer number (665737380).

Almost surely, 2^2662809427 is an apocalyptic number.

2662809427 is a deficient number, since it is larger than the sum of its proper divisors (140093).

2662809427 is a wasteful number, since it uses less digits than its factorization.

2662809427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140092.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 2662809427 is about 51602.4168716931. The cubic root of 2662809427 is about 1386.0536109132.

The spelling of 2662809427 in words is "two billion, six hundred sixty-two million, eight hundred nine thousand, four hundred twenty-seven".