427329270443 has 2 divisors, whose sum is σ = 427329270444. Its totient is φ = 427329270442.

The previous prime is 427329270397. The next prime is 427329270463. The reversal of 427329270443 is 344072923724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427329270443 is a prime.

It is a super-2 number, since 2×427329270443² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427329270463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213664635221 + 213664635222.

It is an arithmetic number, because the mean of its divisors is an integer number (213664635222).

Almost surely, 2^427329270443 is an apocalyptic number.

427329270443 is a deficient number, since it is larger than the sum of its proper divisors (1).

427329270443 is an equidigital number, since it uses as much as digits as its factorization.

427329270443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 427329270443 in words is "four hundred twenty-seven billion, three hundred twenty-nine million, two hundred seventy thousand, four hundred forty-three".