41249947664 has 10 divisors (see below), whose sum is σ = 79921773630. Its totient is φ = 20624973824.

The previous prime is 41249947657. The next prime is 41249947693. The reversal of 41249947664 is 46674994214.

It can be written as a sum of positive squares in only one way, i.e., 41212248064 + 37699600 = 203008^2 + 6140^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1289060849 + ... + 1289060880.

It is an arithmetic number, because the mean of its divisors is an integer number (7992177363).

Almost surely, 2^41249947664 is an apocalyptic number.

It is an amenable number.

41249947664 is a deficient number, since it is larger than the sum of its proper divisors (38671825966).

41249947664 is a wasteful number, since it uses less digits than its factorization.

41249947664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578121737 (or 2578121731 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 56.

The spelling of 41249947664 in words is "forty-one billion, two hundred forty-nine million, nine hundred forty-seven thousand, six hundred sixty-four".