41815649738 has 16 divisors (see below), whose sum is σ = 63528708480. Its totient is φ = 20639507616.

The previous prime is 41815649731. The next prime is 41815649761. The reversal of 41815649738 is 83794651814.

It is a happy number.

41815649738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×41815649738² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41815649731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015181 + ... + 1055567.

It is an arithmetic number, because the mean of its divisors is an integer number (3970544280).

Almost surely, 2^41815649738 is an apocalyptic number.

41815649738 is a deficient number, since it is larger than the sum of its proper divisors (21713058742).

41815649738 is a wasteful number, since it uses less digits than its factorization.

41815649738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47021.

The product of its digits is 5806080, while the sum is 56.

The spelling of 41815649738 in words is "forty-one billion, eight hundred fifteen million, six hundred forty-nine thousand, seven hundred thirty-eight".