38353209901 has 4 divisors (see below), whose sum is σ = 38878596412. Its totient is φ = 37827823392.

The previous prime is 38353209893. The next prime is 38353209911. The reversal of 38353209901 is 10990235383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10990235383 = 23 ⋅477836321.

It can be written as a sum of positive squares in 2 ways, for example, as 16576305001 + 21776904900 = 128749^2 + 147570^2 .

It is a cyclic number.

It is not a de Polignac number, because 38353209901 - 2³ = 38353209893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38353209911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262693146 + ... + 262693291.

It is an arithmetic number, because the mean of its divisors is an integer number (9719649103).

Almost surely, 2^38353209901 is an apocalyptic number.

It is an amenable number.

38353209901 is a deficient number, since it is larger than the sum of its proper divisors (525386511).

38353209901 is an equidigital number, since it uses as much as digits as its factorization.

38353209901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525386510.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 38353209901 in words is "thirty-eight billion, three hundred fifty-three million, two hundred nine thousand, nine hundred one".