426212001223645 has 96 divisors (see below), whose sum is σ = 646406262448128. Its totient is φ = 267389432335872.

The previous prime is 426212001223607. The next prime is 426212001223663. The reversal of 426212001223645 is 546322100212624.

It is not a de Polignac number, because 426212001223645 - 2¹¹ = 426212001221597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426212001223598 and 426212001223607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 409233352 + ... + 410273518.

It is an arithmetic number, because the mean of its divisors is an integer number (6733398567168).

Almost surely, 2^{426212001223645} is an apocalyptic number.

It is an amenable number.

426212001223645 is a deficient number, since it is larger than the sum of its proper divisors (220194261224483).

426212001223645 is a wasteful number, since it uses less digits than its factorization.

426212001223645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041339 (or 1041332 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 426212001223645 in words is "four hundred twenty-six trillion, two hundred twelve billion, one million, two hundred twenty-three thousand, six hundred forty-five".