38720801294437 has 2 divisors, whose sum is σ = 38720801294438. Its totient is φ = 38720801294436.

The previous prime is 38720801294327. The next prime is 38720801294449. The reversal of 38720801294437 is 73449210802783.

38720801294437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29379012498081 + 9341788796356 = 5420241^2 + 3056434^2 .

It is a cyclic number.

It is not a de Polignac number, because 38720801294437 - 2⁷ = 38720801294309 is a prime.

It is a super-3 number, since 3×38720801294437³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38720801294537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19360400647218 + 19360400647219.

It is an arithmetic number, because the mean of its divisors is an integer number (19360400647219).

Almost surely, 2^{38720801294437} is an apocalyptic number.

It is an amenable number.

38720801294437 is a deficient number, since it is larger than the sum of its proper divisors (1).

38720801294437 is an equidigital number, since it uses as much as digits as its factorization.

38720801294437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 38720801294437 in words is "thirty-eight trillion, seven hundred twenty billion, eight hundred one million, two hundred ninety-four thousand, four hundred thirty-seven".