2657234851 has 2 divisors, whose sum is σ = 2657234852. Its totient is φ = 2657234850.

The previous prime is 2657234849. The next prime is 2657234869. The reversal of 2657234851 is 1584327562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2657234851 - 2¹ = 2657234849 is a prime.

Together with 2657234849, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2657234798 and 2657234807.

It is not a weakly prime, because it can be changed into another prime (2657234831) 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 as a sum of consecutive naturals, namely, 1328617425 + 1328617426.

It is an arithmetic number, because the mean of its divisors is an integer number (1328617426).

Almost surely, 2^2657234851 is an apocalyptic number.

2657234851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2657234851 is an equidigital number, since it uses as much as digits as its factorization.

2657234851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 2657234851 is about 51548.3738928785. The cubic root of 2657234851 is about 1385.0857034464.

The spelling of 2657234851 in words is "two billion, six hundred fifty-seven million, two hundred thirty-four thousand, eight hundred fifty-one".