2657234866 has 16 divisors (see below), whose sum is σ = 4682680128. Its totient is φ = 1114923600.

The previous prime is 2657234851. The next prime is 2657234869. The reversal of 2657234866 is 6684327562.

It is not an unprimeable number, because it can be changed into a prime (2657234869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645230 + ... + 4645801.

It is an arithmetic number, because the mean of its divisors is an integer number (292667508).

Almost surely, 2^2657234866 is an apocalyptic number.

2657234866 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2657234866 is a deficient number, since it is larger than the sum of its proper divisors (2025445262).

2657234866 is a wasteful number, since it uses less digits than its factorization.

2657234866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9291057.

The product of its digits is 2903040, while the sum is 49.

The square root of 2657234866 is about 51548.3740383729. The cubic root of 2657234866 is about 1385.0857060527.

The spelling of 2657234866 in words is "two billion, six hundred fifty-seven million, two hundred thirty-four thousand, eight hundred sixty-six".