41972126641 has 3 divisors (see below), whose sum is σ = 41972331513. Its totient is φ = 41971921770.

The previous prime is 41972126629. The next prime is 41972126663. The reversal of 41972126641 is 14662127914.

The square root of 41972126641 is 204871.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 41972126641 - 2⁷ = 41972126513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41972126941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 102436 + ... + 307306.

It is an arithmetic number, because the mean of its divisors is an integer number (13990777171).

Almost surely, 2^41972126641 is an apocalyptic number.

41972126641 is the 204871-st square number.

41972126641 is the 102436-th centered octagonal number.

It is an amenable number.

41972126641 is a deficient number, since it is larger than the sum of its proper divisors (204872).

41972126641 is an frugal number, since it uses more digits than its factorization.

41972126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409742 (or 204871 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The spelling of 41972126641 in words is "forty-one billion, nine hundred seventy-two million, one hundred twenty-six thousand, six hundred forty-one".