427326766313 has 4 divisors (see below), whose sum is σ = 427344785040. Its totient is φ = 427308747588.

The previous prime is 427326766259. The next prime is 427326766343. The reversal of 427326766313 is 313667623724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427326766313 - 2¹⁶ = 427326700777 is a prime.

It is a super-2 number, since 2×427326766313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427326766343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8973743 + ... + 9021236.

It is an arithmetic number, because the mean of its divisors is an integer number (106836196260).

Almost surely, 2^427326766313 is an apocalyptic number.

It is an amenable number.

427326766313 is a deficient number, since it is larger than the sum of its proper divisors (18018727).

427326766313 is a wasteful number, since it uses less digits than its factorization.

427326766313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18018726.

The product of its digits is 4572288, while the sum is 50.

The spelling of 427326766313 in words is "four hundred twenty-seven billion, three hundred twenty-six million, seven hundred sixty-six thousand, three hundred thirteen".