4261966517 has 2 divisors, whose sum is σ = 4261966518. Its totient is φ = 4261966516.

The previous prime is 4261966451. The next prime is 4261966549. The reversal of 4261966517 is 7156691624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2571605521 + 1690360996 = 50711^2 + 41114^2 .

It is a cyclic number.

It is not a de Polignac number, because 4261966517 - 2¹² = 4261962421 is a prime.

It is a super-2 number, since 2×4261966517² = 36328717184058222578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4261966417) 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, 2130983258 + 2130983259.

It is an arithmetic number, because the mean of its divisors is an integer number (2130983259).

Almost surely, 2^4261966517 is an apocalyptic number.

It is an amenable number.

4261966517 is a deficient number, since it is larger than the sum of its proper divisors (1).

4261966517 is an equidigital number, since it uses as much as digits as its factorization.

4261966517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 4261966517 is about 65283.7385341863. The cubic root of 4261966517 is about 1621.3247454169.

The spelling of 4261966517 in words is "four billion, two hundred sixty-one million, nine hundred sixty-six thousand, five hundred seventeen".