38519336949 has 4 divisors (see below), whose sum is σ = 51359115936. Its totient is φ = 25679557964.

The previous prime is 38519336927. The next prime is 38519336953. The reversal of 38519336949 is 94963391583.

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 38519336949 - 2¹⁷ = 38519205877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38519336892 and 38519336901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38519336749) 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, 6419889489 + ... + 6419889494.

It is an arithmetic number, because the mean of its divisors is an integer number (12839778984).

Almost surely, 2^38519336949 is an apocalyptic number.

It is an amenable number.

38519336949 is a deficient number, since it is larger than the sum of its proper divisors (12839778987).

38519336949 is a wasteful number, since it uses less digits than its factorization.

38519336949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12839778986.

The product of its digits is 18895680, while the sum is 60.

The spelling of 38519336949 in words is "thirty-eight billion, five hundred nineteen million, three hundred thirty-six thousand, nine hundred forty-nine".