38730928705965 has 48 divisors (see below), whose sum is σ = 68055567361392. Its totient is φ = 20372835336192.

The previous prime is 38730928705927. The next prime is 38730928705969. The reversal of 38730928705965 is 56950782903783.

It is a happy number.

38730928705965 is a `hidden beast` number, since 3 + 8 + 7 + 3 + 0 + 9 + 28 + 7 + 0 + 596 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 6805931357124 + 31924997348841 = 2608818^2 + 5650221^2 .

It is not a de Polignac number, because 38730928705965 - 2²² = 38730924511661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38730928705893 and 38730928705902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38730928705969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 104517849 + ... + 104887761.

It is an arithmetic number, because the mean of its divisors is an integer number (1417824320029).

Almost surely, 2^{38730928705965} is an apocalyptic number.

It is an amenable number.

38730928705965 is a deficient number, since it is larger than the sum of its proper divisors (29324638655427).

38730928705965 is a wasteful number, since it uses less digits than its factorization.

38730928705965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401870 (or 401867 counting only the distinct ones).

The product of its (nonzero) digits is 685843200, while the sum is 72.

The spelling of 38730928705965 in words is "thirty-eight trillion, seven hundred thirty billion, nine hundred twenty-eight million, seven hundred five thousand, nine hundred sixty-five".