4256988371 has 2 divisors, whose sum is σ = 4256988372. Its totient is φ = 4256988370.

The previous prime is 4256988367. The next prime is 4256988383. The reversal of 4256988371 is 1738896524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4256988371 - 2² = 4256988367 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4256988341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128494185 + 2128494186.

It is an arithmetic number, because the mean of its divisors is an integer number (2128494186).

Almost surely, 2^4256988371 is an apocalyptic number.

4256988371 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256988371 is an equidigital number, since it uses as much as digits as its factorization.

4256988371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 53.

The square root of 4256988371 is about 65245.6003957355. The cubic root of 4256988371 is about 1620.6932422680.

The spelling of 4256988371 in words is "four billion, two hundred fifty-six million, nine hundred eighty-eight thousand, three hundred seventy-one".