426733432645 has 8 divisors (see below), whose sum is σ = 551470897656. Its totient is φ = 315126227136.

The previous prime is 426733432633. The next prime is 426733432649. The reversal of 426733432645 is 546234337624.

It can be written as a sum of positive squares in 4 ways, for example, as 6650565601 + 420082867044 = 81551^2 + 648138^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 426733432645 - 2⁹ = 426733432133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426733432649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282564802 + ... + 3282564931.

It is an arithmetic number, because the mean of its divisors is an integer number (68933862207).

Almost surely, 2^426733432645 is an apocalyptic number.

It is an amenable number.

426733432645 is a deficient number, since it is larger than the sum of its proper divisors (124737465011).

426733432645 is a wasteful number, since it uses less digits than its factorization.

426733432645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565129751.

The product of its digits is 8709120, while the sum is 49.

The spelling of 426733432645 in words is "four hundred twenty-six billion, seven hundred thirty-three million, four hundred thirty-two thousand, six hundred forty-five".