38401352766481 has 4 divisors (see below), whose sum is σ = 39030883139764. Its totient is φ = 37771822393200.

The previous prime is 38401352766349. The next prime is 38401352766493. The reversal of 38401352766481 is 18466725310483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3956379574225 + 34444973192256 = 1989065^2 + 5868984^2 .

It is a cyclic number.

It is not a de Polignac number, because 38401352766481 - 2¹⁹ = 38401352242193 is a prime.

It is a super-2 number, since 2×38401352766481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38401352166481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314765186550 + ... + 314765186671.

It is an arithmetic number, because the mean of its divisors is an integer number (9757720784941).

Almost surely, 2^{38401352766481} is an apocalyptic number.

It is an amenable number.

38401352766481 is a deficient number, since it is larger than the sum of its proper divisors (629530373283).

38401352766481 is an equidigital number, since it uses as much as digits as its factorization.

38401352766481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629530373282.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 38401352766481 in words is "thirty-eight trillion, four hundred one billion, three hundred fifty-two million, seven hundred sixty-six thousand, four hundred eighty-one".