38813858610757 has 2 divisors, whose sum is σ = 38813858610758. Its totient is φ = 38813858610756.

The previous prime is 38813858610749. The next prime is 38813858610829. The reversal of 38813858610757 is 75701685831883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32275681206561 + 6538177404196 = 5681169^2 + 2556986^2 .

It is a cyclic number.

It is not a de Polignac number, because 38813858610757 - 2³ = 38813858610749 is a prime.

It is a super-2 number, since 2×38813858610757² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38813858611757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19406929305378 + 19406929305379.

It is an arithmetic number, because the mean of its divisors is an integer number (19406929305379).

Almost surely, 2^{38813858610757} is an apocalyptic number.

It is an amenable number.

38813858610757 is a deficient number, since it is larger than the sum of its proper divisors (1).

38813858610757 is an equidigital number, since it uses as much as digits as its factorization.

38813858610757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270950400, while the sum is 70.

The spelling of 38813858610757 in words is "thirty-eight trillion, eight hundred thirteen billion, eight hundred fifty-eight million, six hundred ten thousand, seven hundred fifty-seven".