1095638854 has 4 divisors (see below), whose sum is σ = 1643458284. Its totient is φ = 547819426.

The previous prime is 1095638851. The next prime is 1095638867. The reversal of 1095638854 is 4588365901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4588365901 = 7 ⋅655480843.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1095638798 and 1095638807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095638851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273909712 + ... + 273909715.

It is an arithmetic number, because the mean of its divisors is an integer number (410864571).

Almost surely, 2^1095638854 is an apocalyptic number.

1095638854 is a deficient number, since it is larger than the sum of its proper divisors (547819430).

1095638854 is an equidigital number, since it uses as much as digits as its factorization.

1095638854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547819429.

The product of its (nonzero) digits is 1036800, while the sum is 49.

The square root of 1095638854 is about 33100.4358581575. The cubic root of 1095638854 is about 1030.9140890939.

The spelling of 1095638854 in words is "one billion, ninety-five million, six hundred thirty-eight thousand, eight hundred fifty-four".