38358854573861 has 2 divisors, whose sum is σ = 38358854573862. Its totient is φ = 38358854573860.

The previous prime is 38358854573849. The next prime is 38358854573867. The reversal of 38358854573861 is 16837545885383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36283684676836 + 2075169897025 = 6023594^2 + 1440545^2 .

It is a cyclic number.

It is not a de Polignac number, because 38358854573861 - 2¹⁰ = 38358854572837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38358854573867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19179427286930 + 19179427286931.

It is an arithmetic number, because the mean of its divisors is an integer number (19179427286931).

Almost surely, 2^{38358854573861} is an apocalyptic number.

It is an amenable number.

38358854573861 is a deficient number, since it is larger than the sum of its proper divisors (1).

38358854573861 is an equidigital number, since it uses as much as digits as its factorization.

38358854573861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432000, while the sum is 74.

The spelling of 38358854573861 in words is "thirty-eight trillion, three hundred fifty-eight billion, eight hundred fifty-four million, five hundred seventy-three thousand, eight hundred sixty-one".