41839728397 has 4 divisors (see below), whose sum is σ = 41844013216. Its totient is φ = 41835443580.

The previous prime is 41839728383. The next prime is 41839728409. The reversal of 41839728397 is 79382793814.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41839728397 - 2¹⁵ = 41839695629 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 (41839728317) 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, 2127729 + ... + 2147302.

It is an arithmetic number, because the mean of its divisors is an integer number (10461003304).

Almost surely, 2^41839728397 is an apocalyptic number.

It is an amenable number.

41839728397 is a deficient number, since it is larger than the sum of its proper divisors (4284819).

41839728397 is an equidigital number, since it uses as much as digits as its factorization.

41839728397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284818.

The product of its digits is 18289152, while the sum is 61.

The spelling of 41839728397 in words is "forty-one billion, eight hundred thirty-nine million, seven hundred twenty-eight thousand, three hundred ninety-seven".