38120038357 has 2 divisors, whose sum is σ = 38120038358. Its totient is φ = 38120038356.

The previous prime is 38120038351. The next prime is 38120038373. The reversal of 38120038357 is 75383002183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36516916836 + 1603121521 = 191094^2 + 40039^2 .

It is an emirp because it is prime and its reverse (75383002183) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38120038357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38120038351) 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 as a sum of consecutive naturals, namely, 19060019178 + 19060019179.

It is an arithmetic number, because the mean of its divisors is an integer number (19060019179).

Almost surely, 2^38120038357 is an apocalyptic number.

It is an amenable number.

38120038357 is a deficient number, since it is larger than the sum of its proper divisors (1).

38120038357 is an equidigital number, since it uses as much as digits as its factorization.

38120038357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 38120038357 in words is "thirty-eight billion, one hundred twenty million, thirty-eight thousand, three hundred fifty-seven".