4277641091 has 2 divisors, whose sum is σ = 4277641092. Its totient is φ = 4277641090.

The previous prime is 4277641061. The next prime is 4277641117. The reversal of 4277641091 is 1901467724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4277641091 is a prime.

It is not a weakly prime, because it can be changed into another prime (4277641061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2138820545 + 2138820546.

It is an arithmetic number, because the mean of its divisors is an integer number (2138820546).

Almost surely, 2^4277641091 is an apocalyptic number.

4277641091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4277641091 is an equidigital number, since it uses as much as digits as its factorization.

4277641091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 4277641091 is about 65403.6779623287. The cubic root of 4277641091 is about 1623.3099387874.

The spelling of 4277641091 in words is "four billion, two hundred seventy-seven million, six hundred forty-one thousand, ninety-one".