39137419845 has 12 divisors (see below), whose sum is σ = 67838194476. Its totient is φ = 20873290560.

The previous prime is 39137419843. The next prime is 39137419891. The reversal of 39137419845 is 54891473193.

It can be written as a sum of positive squares in 2 ways, for example, as 30667714884 + 8469704961 = 175122^2 + 92031^2 .

It is not a de Polignac number, because 39137419845 - 2¹ = 39137419843 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39137419791 and 39137419800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39137419843) 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, 434860176 + ... + 434860265.

It is an arithmetic number, because the mean of its divisors is an integer number (5653182873).

Almost surely, 2^39137419845 is an apocalyptic number.

It is an amenable number.

39137419845 is a deficient number, since it is larger than the sum of its proper divisors (28700774631).

39137419845 is a wasteful number, since it uses less digits than its factorization.

39137419845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869720452 (or 869720449 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 39137419845 in words is "thirty-nine billion, one hundred thirty-seven million, four hundred nineteen thousand, eight hundred forty-five".