38387752873523 has 2 divisors, whose sum is σ = 38387752873524. Its totient is φ = 38387752873522.

The previous prime is 38387752873499. The next prime is 38387752873543. The reversal of 38387752873523 is 32537825778383.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38387752873523 is a prime.

It is not a weakly prime, because it can be changed into another prime (38387752873543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19193876436761 + 19193876436762.

It is an arithmetic number, because the mean of its divisors is an integer number (19193876436762).

Almost surely, 2^{38387752873523} is an apocalyptic number.

38387752873523 is a deficient number, since it is larger than the sum of its proper divisors (1).

38387752873523 is an equidigital number, since it uses as much as digits as its factorization.

38387752873523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1422489600, while the sum is 71.

The spelling of 38387752873523 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-two million, eight hundred seventy-three thousand, five hundred twenty-three".