38349388901 has 4 divisors (see below), whose sum is σ = 38606767500. Its totient is φ = 38092010304.

The previous prime is 38349388877. The next prime is 38349388949. The reversal of 38349388901 is 10988394383.

It is a Cunningham number, because it is equal to 195830²+1.

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 4493020900 + 33856368001 = 67030^2 + 184001^2 .

It is a cyclic number.

It is not a de Polignac number, because 38349388901 - 2⁶ = 38349388837 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 (38349388601) 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, 128689076 + ... + 128689373.

It is an arithmetic number, because the mean of its divisors is an integer number (9651691875).

Almost surely, 2^38349388901 is an apocalyptic number.

It is an amenable number.

38349388901 is a deficient number, since it is larger than the sum of its proper divisors (257378599).

38349388901 is a wasteful number, since it uses less digits than its factorization.

38349388901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257378598.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 38349388901 in words is "thirty-eight billion, three hundred forty-nine million, three hundred eighty-eight thousand, nine hundred one".