4261643077 has 2 divisors, whose sum is σ = 4261643078. Its totient is φ = 4261643076.

The previous prime is 4261643059. The next prime is 4261643081. The reversal of 4261643077 is 7703461624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2674337796 + 1587305281 = 51714^2 + 39841^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261643077 - 2¹¹ = 4261641029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4261643047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2130821538 + 2130821539.

It is an arithmetic number, because the mean of its divisors is an integer number (2130821539).

Almost surely, 2^4261643077 is an apocalyptic number.

It is an amenable number.

4261643077 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261643077 is an equidigital number, since it uses as much as digits as its factorization.

4261643077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 4261643077 is about 65281.2613006213. The cubic root of 4261643077 is about 1621.2837303487.

The spelling of 4261643077 in words is "four billion, two hundred sixty-one million, six hundred forty-three thousand, seventy-seven".