38042619161 has 4 divisors (see below), whose sum is σ = 38048092800. Its totient is φ = 38037145524.

The previous prime is 38042619149. The next prime is 38042619169. The reversal of 38042619161 is 16191624083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16191624083 = 433 ⋅37394051.

It is a cyclic number.

It is not a de Polignac number, because 38042619161 - 2³⁴ = 20862749977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38042619169) 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, 2726381 + ... + 2740298.

It is an arithmetic number, because the mean of its divisors is an integer number (9512023200).

Almost surely, 2^38042619161 is an apocalyptic number.

It is an amenable number.

38042619161 is a deficient number, since it is larger than the sum of its proper divisors (5473639).

38042619161 is an equidigital number, since it uses as much as digits as its factorization.

38042619161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473638.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 38042619161 in words is "thirty-eight billion, forty-two million, six hundred nineteen thousand, one hundred sixty-one".