2657430866 has 8 divisors (see below), whose sum is σ = 3988707840. Its totient is φ = 1327861588.

The previous prime is 2657430851. The next prime is 2657430911. The reversal of 2657430866 is 6680347562.

2657430866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2657430866.

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, 423026 + ... + 429261.

It is an arithmetic number, because the mean of its divisors is an integer number (498588480).

Almost surely, 2^2657430866 is an apocalyptic number.

2657430866 is a deficient number, since it is larger than the sum of its proper divisors (1331276974).

2657430866 is a wasteful number, since it uses less digits than its factorization.

2657430866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853848.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The square root of 2657430866 is about 51550.2751302066. The cubic root of 2657430866 is about 1385.1197602654.

The spelling of 2657430866 in words is "two billion, six hundred fifty-seven million, four hundred thirty thousand, eight hundred sixty-six".