41243072591 has 12 divisors (see below), whose sum is σ = 48051285912. Its totient is φ = 35296199568.

The previous prime is 41243072567. The next prime is 41243072621. The reversal of 41243072591 is 19527034214.

41243072591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-41243072591 is a prime.

It is a super-3 number, since 3×41243072591³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41243072531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623000 + ... + 686013.

It is an arithmetic number, because the mean of its divisors is an integer number (4004273826).

Almost surely, 2^41243072591 is an apocalyptic number.

41243072591 is a deficient number, since it is larger than the sum of its proper divisors (6808213321).

41243072591 is a wasteful number, since it uses less digits than its factorization.

41243072591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309670 (or 1309663 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 41243072591 in words is "forty-one billion, two hundred forty-three million, seventy-two thousand, five hundred ninety-one".