38106460561 has 4 divisors (see below), whose sum is σ = 41037726772. Its totient is φ = 35175194352.

The previous prime is 38106460537. The next prime is 38106460577. The reversal of 38106460561 is 16506460183.

38106460561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16506460183 = 24379 ⋅677077.

It can be written as a sum of positive squares in 2 ways, for example, as 4404844161 + 33701616400 = 66369^2 + 183580^2 .

It is a cyclic number.

It is not a de Polignac number, because 38106460561 - 2¹⁹ = 38105936273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38106460501) 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, 1465633086 + ... + 1465633111.

It is an arithmetic number, because the mean of its divisors is an integer number (10259431693).

Almost surely, 2^38106460561 is an apocalyptic number.

It is an amenable number.

38106460561 is a deficient number, since it is larger than the sum of its proper divisors (2931266211).

38106460561 is a wasteful number, since it uses less digits than its factorization.

38106460561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931266210.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 38106460561 in words is "thirty-eight billion, one hundred six million, four hundred sixty thousand, five hundred sixty-one".