424430702381 has 12 divisors (see below), whose sum is σ = 493745288508. Its totient is φ = 363783172032.

The previous prime is 424430702359. The next prime is 424430702383. The reversal of 424430702381 is 183207034424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 343812186025 + 80618516356 = 586355^2 + 283934^2 .

It is not a de Polignac number, because 424430702381 - 2²⁶ = 424363593517 is a prime.

It is a super-2 number, since 2×424430702381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424430702383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1166825 + ... + 1486721.

It is an arithmetic number, because the mean of its divisors is an integer number (41145440709).

Almost surely, 2^424430702381 is an apocalyptic number.

It is an amenable number.

424430702381 is a deficient number, since it is larger than the sum of its proper divisors (69314586127).

424430702381 is a wasteful number, since it uses less digits than its factorization.

424430702381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346988 (or 346981 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 424430702381 in words is "four hundred twenty-four billion, four hundred thirty million, seven hundred two thousand, three hundred eighty-one".