41851748929 has 9 divisors (see below), whose sum is σ = 42165228553. Its totient is φ = 41540587312.

The previous prime is 41851748881. The next prime is 41851748947. The reversal of 41851748929 is 92984715814.

The square root of 41851748929 is 204577.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2390721025 + 39461027904 = 48895^2 + 198648^2 .

It is not a de Polignac number, because 41851748929 - 2⁹ = 41851748417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41851748959) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30481287 + ... + 30482659.

Almost surely, 2^41851748929 is an apocalyptic number.

41851748929 is the 204577-th square number.

41851748929 is the 102289-th centered octagonal number.

It is an amenable number.

41851748929 is a deficient number, since it is larger than the sum of its proper divisors (313479624).

41851748929 is an frugal number, since it uses more digits than its factorization.

41851748929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044 (or 1522 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 58.

The spelling of 41851748929 in words is "forty-one billion, eight hundred fifty-one million, seven hundred forty-eight thousand, nine hundred twenty-nine".