428262545839 has 2 divisors, whose sum is σ = 428262545840. Its totient is φ = 428262545838.

The previous prime is 428262545779. The next prime is 428262545857. The reversal of 428262545839 is 938545262824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428262545839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428262545869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214131272919 + 214131272920.

It is an arithmetic number, because the mean of its divisors is an integer number (214131272920).

Almost surely, 2^428262545839 is an apocalyptic number.

428262545839 is a deficient number, since it is larger than the sum of its proper divisors (1).

428262545839 is an equidigital number, since it uses as much as digits as its factorization.

428262545839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33177600, while the sum is 58.

The spelling of 428262545839 in words is "four hundred twenty-eight billion, two hundred sixty-two million, five hundred forty-five thousand, eight hundred thirty-nine".