38646207611 has 4 divisors (see below), whose sum is σ = 42159499224. Its totient is φ = 35132916000.

The previous prime is 38646207601. The next prime is 38646207641. The reversal of 38646207611 is 11670264683.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38646207611 - 2¹⁸ = 38645945467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38646207601) 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, 1756645790 + ... + 1756645811.

It is an arithmetic number, because the mean of its divisors is an integer number (10539874806).

Almost surely, 2^38646207611 is an apocalyptic number.

38646207611 is a deficient number, since it is larger than the sum of its proper divisors (3513291613).

38646207611 is a wasteful number, since it uses less digits than its factorization.

38646207611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513291612.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 38646207611 in words is "thirty-eight billion, six hundred forty-six million, two hundred seven thousand, six hundred eleven".