38811864575441 has 2 divisors, whose sum is σ = 38811864575442. Its totient is φ = 38811864575440.

The previous prime is 38811864575411. The next prime is 38811864575483. The reversal of 38811864575441 is 14457546811883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38108398240000 + 703466335441 = 6173200^2 + 838729^2 .

It is a cyclic number.

It is not a de Polignac number, because 38811864575441 - 2¹⁸ = 38811864313297 is a prime.

It is not a weakly prime, because it can be changed into another prime (38811864575411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19405932287720 + 19405932287721.

It is an arithmetic number, because the mean of its divisors is an integer number (19405932287721).

Almost surely, 2^{38811864575441} is an apocalyptic number.

It is an amenable number.

38811864575441 is a deficient number, since it is larger than the sum of its proper divisors (1).

38811864575441 is an equidigital number, since it uses as much as digits as its factorization.

38811864575441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103219200, while the sum is 65.

The spelling of 38811864575441 in words is "thirty-eight trillion, eight hundred eleven billion, eight hundred sixty-four million, five hundred seventy-five thousand, four hundred forty-one".