38447064125 has 16 divisors (see below), whose sum is σ = 49529745408. Its totient is φ = 29765466000.

The previous prime is 38447064121. The next prime is 38447064133. The reversal of 38447064125 is 52146074483.

It is a happy number.

It is not a de Polignac number, because 38447064125 - 2² = 38447064121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38447064121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4957037 + ... + 4964786.

It is an arithmetic number, because the mean of its divisors is an integer number (3095609088).

Almost surely, 2^38447064125 is an apocalyptic number.

It is an amenable number.

38447064125 is a deficient number, since it is larger than the sum of its proper divisors (11082681283).

38447064125 is an equidigital number, since it uses as much as digits as its factorization.

38447064125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921869 (or 9921859 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 38447064125 in words is "thirty-eight billion, four hundred forty-seven million, sixty-four thousand, one hundred twenty-five".