38438439695 has 4 divisors (see below), whose sum is σ = 46126127640. Its totient is φ = 30750751752.

The previous prime is 38438439691. The next prime is 38438439703. The reversal of 38438439695 is 59693483483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59693483483 = 127 ⋅470027429.

It is a cyclic number.

It is not a de Polignac number, because 38438439695 - 2² = 38438439691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38438439691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3843843965 + ... + 3843843974.

It is an arithmetic number, because the mean of its divisors is an integer number (11531531910).

Almost surely, 2^38438439695 is an apocalyptic number.

38438439695 is a deficient number, since it is larger than the sum of its proper divisors (7687687945).

38438439695 is an equidigital number, since it uses as much as digits as its factorization.

38438439695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7687687944.

The product of its digits is 67184640, while the sum is 62.

The spelling of 38438439695 in words is "thirty-eight billion, four hundred thirty-eight million, four hundred thirty-nine thousand, six hundred ninety-five".