2656651427 has 2 divisors, whose sum is σ = 2656651428. Its totient is φ = 2656651426.

The previous prime is 2656651397. The next prime is 2656651451. The reversal of 2656651427 is 7241566562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2656651427 - 2¹⁶ = 2656585891 is a prime.

It is a super-2 number, since 2×2656651427² = 14115593609162272658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2656651027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328325713 + 1328325714.

It is an arithmetic number, because the mean of its divisors is an integer number (1328325714).

Almost surely, 2^2656651427 is an apocalyptic number.

2656651427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656651427 is an equidigital number, since it uses as much as digits as its factorization.

2656651427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 44.

The square root of 2656651427 is about 51542.7145870297. The cubic root of 2656651427 is about 1384.9843259575.

The spelling of 2656651427 in words is "two billion, six hundred fifty-six million, six hundred fifty-one thousand, four hundred twenty-seven".