42838937597 has 4 divisors (see below), whose sum is σ = 43263085596. Its totient is φ = 42414789600.

The previous prime is 42838937587. The next prime is 42838937599. The reversal of 42838937597 is 79573983824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33410721796 + 9428215801 = 182786^2 + 97099^2 .

It is a cyclic number.

It is not a de Polignac number, because 42838937597 - 2⁸ = 42838937341 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 (42838937599) 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, 212073848 + ... + 212074049.

It is an arithmetic number, because the mean of its divisors is an integer number (10815771399).

Almost surely, 2^42838937597 is an apocalyptic number.

It is an amenable number.

42838937597 is a deficient number, since it is larger than the sum of its proper divisors (424147999).

42838937597 is a wasteful number, since it uses less digits than its factorization.

42838937597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424147998.

The product of its digits is 91445760, while the sum is 65.

The spelling of 42838937597 in words is "forty-two billion, eight hundred thirty-eight million, nine hundred thirty-seven thousand, five hundred ninety-seven".