38706684965 has 8 divisors (see below), whose sum is σ = 50020946808. Its totient is φ = 28583398080.

The previous prime is 38706684869. The next prime is 38706684979. The reversal of 38706684965 is 56948660783.

It can be written as a sum of positive squares in 4 ways, for example, as 258534241 + 38448150724 = 16079^2 + 196082^2 .

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

It is not a de Polignac number, because 38706684965 - 2¹⁶ = 38706619429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38706684898 and 38706684907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297743666 + ... + 297743795.

It is an arithmetic number, because the mean of its divisors is an integer number (6252618351).

Almost surely, 2^38706684965 is an apocalyptic number.

It is an amenable number.

38706684965 is a deficient number, since it is larger than the sum of its proper divisors (11314261843).

38706684965 is a wasteful number, since it uses less digits than its factorization.

38706684965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595487479.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 38706684965 in words is "thirty-eight billion, seven hundred six million, six hundred eighty-four thousand, nine hundred sixty-five".