38219809771 has 16 divisors (see below), whose sum is σ = 45017088480. Its totient is φ = 31990072320.

The previous prime is 38219809753. The next prime is 38219809829. The reversal of 38219809771 is 17790891283.

It is a cyclic number.

It is not a de Polignac number, because 38219809771 - 2⁵ = 38219809739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38219809571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287910 + ... + 399163.

It is an arithmetic number, because the mean of its divisors is an integer number (2813568030).

Almost surely, 2^38219809771 is an apocalyptic number.

38219809771 is a deficient number, since it is larger than the sum of its proper divisors (6797278709).

38219809771 is a wasteful number, since it uses less digits than its factorization.

38219809771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687486.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 38219809771 in words is "thirty-eight billion, two hundred nineteen million, eight hundred nine thousand, seven hundred seventy-one".