43413221402 has 8 divisors (see below), whose sum is σ = 68950410516. Its totient is φ = 20429751232.

The previous prime is 43413221393. The next prime is 43413221431. The reversal of 43413221402 is 20412231434.

It can be written as a sum of positive squares in 2 ways, for example, as 42317015521 + 1096205881 = 205711^2 + 33109^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638429693 + ... + 638429760.

Almost surely, 2^43413221402 is an apocalyptic number.

43413221402 is a deficient number, since it is larger than the sum of its proper divisors (25537189114).

43413221402 is a wasteful number, since it uses less digits than its factorization.

43413221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276859472.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 43413221402 its reverse (20412231434), we get a palindrome (63825452836).

The spelling of 43413221402 in words is "forty-three billion, four hundred thirteen million, two hundred twenty-one thousand, four hundred two".