426839989748 has 6 divisors (see below), whose sum is σ = 746969982066. Its totient is φ = 213419994872.

The previous prime is 426839989717. The next prime is 426839989777. The reversal of 426839989748 is 847989938624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 414790097764 + 12049891984 = 644042^2 + 109772^2 .

It is a super-3 number, since 3×426839989748³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53354998715 + ... + 53354998722.

It is an arithmetic number, because the mean of its divisors is an integer number (124494997011).

Almost surely, 2^426839989748 is an apocalyptic number.

It is an amenable number.

426839989748 is a deficient number, since it is larger than the sum of its proper divisors (320129992318).

426839989748 is a wasteful number, since it uses less digits than its factorization.

426839989748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106709997441 (or 106709997439 counting only the distinct ones).

The product of its digits is 1504935936, while the sum is 77.

The spelling of 426839989748 in words is "four hundred twenty-six billion, eight hundred thirty-nine million, nine hundred eighty-nine thousand, seven hundred forty-eight".