38706621049 has 8 divisors (see below), whose sum is σ = 39959659520. Its totient is φ = 37453860000.

The previous prime is 38706621047. The next prime is 38706621053. The reversal of 38706621049 is 94012660783.

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

It is a cyclic number.

It is not a de Polignac number, because 38706621049 - 2¹ = 38706621047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38706621043) 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, 235549 + ... + 364549.

It is an arithmetic number, because the mean of its divisors is an integer number (4994957440).

Almost surely, 2^38706621049 is an apocalyptic number.

It is an amenable number.

38706621049 is a deficient number, since it is larger than the sum of its proper divisors (1253038471).

38706621049 is a wasteful number, since it uses less digits than its factorization.

38706621049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138711.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 38706621049 in words is "thirty-eight billion, seven hundred six million, six hundred twenty-one thousand, forty-nine".