38388323387357 has 2 divisors, whose sum is σ = 38388323387358. Its totient is φ = 38388323387356.

The previous prime is 38388323387291. The next prime is 38388323387371. The reversal of 38388323387357 is 75378332388383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32639123120356 + 5749200267001 = 5713066^2 + 2397749^2 .

It is a cyclic number.

It is not a de Polignac number, because 38388323387357 - 2²² = 38388319193053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38388323387387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19194161693678 + 19194161693679.

It is an arithmetic number, because the mean of its divisors is an integer number (19194161693679).

Almost surely, 2^{38388323387357} is an apocalyptic number.

It is an amenable number.

38388323387357 is a deficient number, since it is larger than the sum of its proper divisors (1).

38388323387357 is an equidigital number, since it uses as much as digits as its factorization.

38388323387357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1463132160, while the sum is 71.

The spelling of 38388323387357 in words is "thirty-eight trillion, three hundred eighty-eight billion, three hundred twenty-three million, three hundred eighty-seven thousand, three hundred fifty-seven".