426535106521522 has 8 divisors (see below), whose sum is σ = 639820174815900. Its totient is φ = 213261714916224.

The previous prime is 426535106521411. The next prime is 426535106521543. The reversal of 426535106521522 is 225125601535624.

It can be written as a sum of positive squares in 2 ways, for example, as 346261050664281 + 80274055857241 = 18608091^2 + 8959579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×426535106521522² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2919080947 + ... + 2919227062.

Almost surely, 2^{426535106521522} is an apocalyptic number.

426535106521522 is a deficient number, since it is larger than the sum of its proper divisors (213285068294378).

426535106521522 is a wasteful number, since it uses less digits than its factorization.

426535106521522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838344540.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 426535106521522 in words is "four hundred twenty-six trillion, five hundred thirty-five billion, one hundred six million, five hundred twenty-one thousand, five hundred twenty-two".