41502791997 has 12 divisors (see below), whose sum is σ = 61568706940. Its totient is φ = 26920729728.

The previous prime is 41502791959. The next prime is 41502792013. The reversal of 41502791997 is 79919720514.

41502791997 is a `hidden beast` number, since 41 + 502 + 7 + 9 + 1 + 9 + 97 = 666.

41502791997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21368884761 + 20133907236 = 146181^2 + 141894^2 .

It is not a de Polignac number, because 41502791997 - 2⁸ = 41502791741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41502791927) 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, 62316172 + ... + 62316837.

Almost surely, 2^41502791997 is an apocalyptic number.

It is an amenable number.

41502791997 is a deficient number, since it is larger than the sum of its proper divisors (20065914943).

41502791997 is a wasteful number, since it uses less digits than its factorization.

41502791997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124633052 (or 124633049 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 41502791997 in words is "forty-one billion, five hundred two million, seven hundred ninety-one thousand, nine hundred ninety-seven".