426621216316436 has 12 divisors (see below), whose sum is σ = 746594126171712. Its totient is φ = 213308608838808.

The previous prime is 426621216316423. The next prime is 426621216316483. The reversal of 426621216316436 is 634613612126624.

It is a super-2 number, since 2×426621216316436² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499349690 + ... + 500203313.

It is an arithmetic number, because the mean of its divisors is an integer number (62216177180976).

Almost surely, 2^{426621216316436} is an apocalyptic number.

It is an amenable number.

426621216316436 is a deficient number, since it is larger than the sum of its proper divisors (319972909855276).

426621216316436 is a wasteful number, since it uses less digits than its factorization.

426621216316436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999659710 (or 999659708 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 53.

The spelling of 426621216316436 in words is "four hundred twenty-six trillion, six hundred twenty-one billion, two hundred sixteen million, three hundred sixteen thousand, four hundred thirty-six".