2656645414 has 4 divisors (see below), whose sum is σ = 3984968124. Its totient is φ = 1328322706.

The previous prime is 2656645391. The next prime is 2656645421. The reversal of 2656645414 is 4145466562.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664161352 + ... + 664161355.

It is an arithmetic number, because the mean of its divisors is an integer number (996242031).

Almost surely, 2^2656645414 is an apocalyptic number.

2656645414 is a deficient number, since it is larger than the sum of its proper divisors (1328322710).

2656645414 is a wasteful number, since it uses less digits than its factorization.

2656645414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328322709.

The product of its digits is 691200, while the sum is 43.

The square root of 2656645414 is about 51542.6562567355. The cubic root of 2656645414 is about 1384.9832810434.

The spelling of 2656645414 in words is "two billion, six hundred fifty-six million, six hundred forty-five thousand, four hundred fourteen".