1095018493 has 2 divisors, whose sum is σ = 1095018494. Its totient is φ = 1095018492.

The previous prime is 1095018473. The next prime is 1095018517. The reversal of 1095018493 is 3948105901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 576864324 + 518154169 = 24018^2 + 22763^2 .

It is a cyclic number.

It is not a de Polignac number, because 1095018493 - 2⁵ = 1095018461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1095018403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 547509246 + 547509247.

It is an arithmetic number, because the mean of its divisors is an integer number (547509247).

Almost surely, 2^1095018493 is an apocalyptic number.

It is an amenable number.

1095018493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1095018493 is an equidigital number, since it uses as much as digits as its factorization.

1095018493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1095018493 is about 33091.0636426211. The cubic root of 1095018493 is about 1030.7194812828.

The spelling of 1095018493 in words is "one billion, ninety-five million, eighteen thousand, four hundred ninety-three".