426761355749 has 2 divisors, whose sum is σ = 426761355750. Its totient is φ = 426761355748.

The previous prime is 426761355689. The next prime is 426761355767. The reversal of 426761355749 is 947553167624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388914376900 + 37846978849 = 623630^2 + 194543^2 .

It is a cyclic number.

It is not a de Polignac number, because 426761355749 - 2²⁰ = 426760307173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426761345749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213380677874 + 213380677875.

It is an arithmetic number, because the mean of its divisors is an integer number (213380677875).

Almost surely, 2^426761355749 is an apocalyptic number.

It is an amenable number.

426761355749 is a deficient number, since it is larger than the sum of its proper divisors (1).

426761355749 is an equidigital number, since it uses as much as digits as its factorization.

426761355749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 59.

The spelling of 426761355749 in words is "four hundred twenty-six billion, seven hundred sixty-one million, three hundred fifty-five thousand, seven hundred forty-nine".