38725661373 has 32 divisors (see below), whose sum is σ = 61473054720. Its totient is φ = 21218604480.

The previous prime is 38725661363. The next prime is 38725661461. The reversal of 38725661373 is 37316652783.

It is a happy number.

It is not a de Polignac number, because 38725661373 - 2⁹ = 38725660861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38725661323) 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 31 ways as a sum of consecutive naturals, for example, 201915 + ... + 343832.

It is an arithmetic number, because the mean of its divisors is an integer number (1921032960).

Almost surely, 2^38725661373 is an apocalyptic number.

It is an amenable number.

38725661373 is a deficient number, since it is larger than the sum of its proper divisors (22747393347).

38725661373 is a wasteful number, since it uses less digits than its factorization.

38725661373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545897.

The product of its digits is 3810240, while the sum is 51.

The spelling of 38725661373 in words is "thirty-eight billion, seven hundred twenty-five million, six hundred sixty-one thousand, three hundred seventy-three".