38452547501 has 2 divisors, whose sum is σ = 38452547502. Its totient is φ = 38452547500.

The previous prime is 38452547423. The next prime is 38452547557. The reversal of 38452547501 is 10574525483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38116705225 + 335842276 = 195235^2 + 18326^2 .

It is an emirp because it is prime and its reverse (10574525483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38452547501 - 2³⁰ = 37378805677 is a prime.

It is a super-2 number, since 2×38452547501² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38452547201) 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, 19226273750 + 19226273751.

It is an arithmetic number, because the mean of its divisors is an integer number (19226273751).

Almost surely, 2^38452547501 is an apocalyptic number.

It is an amenable number.

38452547501 is a deficient number, since it is larger than the sum of its proper divisors (1).

38452547501 is an equidigital number, since it uses as much as digits as its factorization.

38452547501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 38452547501 in words is "thirty-eight billion, four hundred fifty-two million, five hundred forty-seven thousand, five hundred one".