41531866623 has 72 divisors (see below), whose sum is σ = 70273497840. Its totient is φ = 23430643200.

The previous prime is 41531866619. The next prime is 41531866679. The reversal of 41531866623 is 32666813514.

It is not a de Polignac number, because 41531866623 - 2² = 41531866619 is a prime.

It is a super-2 number, since 2×41531866623² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41531866603) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2126583 + ... + 2146023.

Almost surely, 2^41531866623 is an apocalyptic number.

41531866623 is a deficient number, since it is larger than the sum of its proper divisors (28741631217).

41531866623 is a wasteful number, since it uses less digits than its factorization.

41531866623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19541 (or 19507 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 41531866623 in words is "forty-one billion, five hundred thirty-one million, eight hundred sixty-six thousand, six hundred twenty-three".