43621212634 has 32 divisors (see below), whose sum is σ = 68682608640. Its totient is φ = 20749680000.

The previous prime is 43621212619. The next prime is 43621212647.

43621212634 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 43621212634.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4868859 + ... + 4877809.

It is an arithmetic number, because the mean of its divisors is an integer number (2146331520).

Almost surely, 2^43621212634 is an apocalyptic number.

43621212634 is a deficient number, since it is larger than the sum of its proper divisors (25061396006).

43621212634 is a wasteful number, since it uses less digits than its factorization.

43621212634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206.

The product of its digits is 41472, while the sum is 34.

The spelling of 43621212634 in words is "forty-three billion, six hundred twenty-one million, two hundred twelve thousand, six hundred thirty-four".