43211402425 has 24 divisors (see below), whose sum is σ = 53847225432. Its totient is φ = 34398336000.

The previous prime is 43211402407. The next prime is 43211402431. The reversal of 43211402425 is 52420411234.

It can be written as a sum of positive squares in 12 ways, for example, as 508006521 + 42703395904 = 22539^2 + 206648^2 .

It is not a de Polignac number, because 43211402425 - 2⁹ = 43211401913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43211402393 and 43211402402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11307015 + ... + 11310835.

It is an arithmetic number, because the mean of its divisors is an integer number (2243634393).

Almost surely, 2^43211402425 is an apocalyptic number.

It is an amenable number.

43211402425 is a deficient number, since it is larger than the sum of its proper divisors (10635823007).

43211402425 is a wasteful number, since it uses less digits than its factorization.

43211402425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949 (or 5944 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 43211402425 its reverse (52420411234), we get a palindrome (95631813659).

The spelling of 43211402425 in words is "forty-three billion, two hundred eleven million, four hundred two thousand, four hundred twenty-five".