38706352109 has 8 divisors (see below), whose sum is σ = 39093811320. Its totient is φ = 38318976000.

The previous prime is 38706352103. The next prime is 38706352117. The reversal of 38706352109 is 90125360783.

It can be written as a sum of positive squares in 4 ways, for example, as 14408401225 + 24297950884 = 120035^2 + 155878^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38706352109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38706352109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38706352103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392257 + ... + 1419785.

It is an arithmetic number, because the mean of its divisors is an integer number (4886726415).

Almost surely, 2^38706352109 is an apocalyptic number.

It is an amenable number.

38706352109 is a deficient number, since it is larger than the sum of its proper divisors (387459211).

38706352109 is a wasteful number, since it uses less digits than its factorization.

38706352109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41551.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 38706352109 in words is "thirty-eight billion, seven hundred six million, three hundred fifty-two thousand, one hundred nine".