41234333981 has 4 divisors (see below), whose sum is σ = 41259220572. Its totient is φ = 41209447392.

The previous prime is 41234333941. The next prime is 41234333999. The reversal of 41234333981 is 18933343214.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18933343214 = 2 ⋅9466671607.

It can be written as a sum of positive squares in 2 ways, for example, as 10304077081 + 30930256900 = 101509^2 + 175870^2 .

It is a cyclic number.

It is not a de Polignac number, because 41234333981 - 2¹⁰ = 41234332957 is a prime.

It is a super-2 number, since 2×41234333981² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41234333941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12440810 + ... + 12444123.

It is an arithmetic number, because the mean of its divisors is an integer number (10314805143).

Almost surely, 2^41234333981 is an apocalyptic number.

It is an amenable number.

41234333981 is a deficient number, since it is larger than the sum of its proper divisors (24886591).

41234333981 is a wasteful number, since it uses less digits than its factorization.

41234333981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24886590.

The product of its digits is 186624, while the sum is 41.

The spelling of 41234333981 in words is "forty-one billion, two hundred thirty-four million, three hundred thirty-three thousand, nine hundred eighty-one".