38049684965 has 4 divisors (see below), whose sum is σ = 45659621964. Its totient is φ = 30439747968.

The previous prime is 38049684923. The next prime is 38049684989. The reversal of 38049684965 is 56948694083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56948694083 = 97 ⋅587099939.

It can be written as a sum of positive squares in 2 ways, for example, as 4709116129 + 33340568836 = 68623^2 + 182594^2 .

It is a cyclic number.

It is not a de Polignac number, because 38049684965 - 2⁶ = 38049684901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38049684898 and 38049684907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3804968492 + ... + 3804968501.

It is an arithmetic number, because the mean of its divisors is an integer number (11414905491).

Almost surely, 2^38049684965 is an apocalyptic number.

It is an amenable number.

38049684965 is a deficient number, since it is larger than the sum of its proper divisors (7609936999).

38049684965 is an equidigital number, since it uses as much as digits as its factorization.

38049684965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609936998.

The product of its (nonzero) digits is 44789760, while the sum is 62.

The spelling of 38049684965 in words is "thirty-eight billion, forty-nine million, six hundred eighty-four thousand, nine hundred sixty-five".