426520516330619 has 2 divisors, whose sum is σ = 426520516330620. Its totient is φ = 426520516330618.

The previous prime is 426520516330607. The next prime is 426520516330691. The reversal of 426520516330619 is 916033615025624.

Together with next prime (426520516330691) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 426520516330619 - 2⁴ = 426520516330603 is a prime.

It is a super-2 number, since 2×426520516330619² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (426520516330319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213260258165309 + 213260258165310.

It is an arithmetic number, because the mean of its divisors is an integer number (213260258165310).

Almost surely, 2^{426520516330619} is an apocalyptic number.

426520516330619 is a deficient number, since it is larger than the sum of its proper divisors (1).

426520516330619 is an equidigital number, since it uses as much as digits as its factorization.

426520516330619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 426520516330619 in words is "four hundred twenty-six trillion, five hundred twenty billion, five hundred sixteen million, three hundred thirty thousand, six hundred nineteen".