41791721457 has 16 divisors (see below), whose sum is σ = 58857463808. Its totient is φ = 26335365840.

The previous prime is 41791721437. The next prime is 41791721561. The reversal of 41791721457 is 75412719714.

It is not a de Polignac number, because 41791721457 - 2⁷ = 41791721329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41791721437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5221273 + ... + 5229270.

It is an arithmetic number, because the mean of its divisors is an integer number (3678591488).

Almost surely, 2^41791721457 is an apocalyptic number.

It is an amenable number.

41791721457 is a deficient number, since it is larger than the sum of its proper divisors (17065742351).

41791721457 is a wasteful number, since it uses less digits than its factorization.

41791721457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450620.

The product of its digits is 493920, while the sum is 48.

The spelling of 41791721457 in words is "forty-one billion, seven hundred ninety-one million, seven hundred twenty-one thousand, four hundred fifty-seven".