1095149489 has 4 divisors (see below), whose sum is σ = 1251599424. Its totient is φ = 938699556.

The previous prime is 1095149479. The next prime is 1095149507. The reversal of 1095149489 is 9849415901.

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.

It is a cyclic number.

It is not a de Polignac number, because 1095149489 - 2⁸ = 1095149233 is a prime.

It is a super-2 number, since 2×1095149489² = 2398704806513922242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1095149459) 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, 78224957 + ... + 78224970.

It is an arithmetic number, because the mean of its divisors is an integer number (312899856).

Almost surely, 2^1095149489 is an apocalyptic number.

It is an amenable number.

1095149489 is a deficient number, since it is larger than the sum of its proper divisors (156449935).

1095149489 is an equidigital number, since it uses as much as digits as its factorization.

1095149489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156449934.

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 1095149489 is about 33093.0429093488. The cubic root of 1095149489 is about 1030.7605809678.

The spelling of 1095149489 in words is "one billion, ninety-five million, one hundred forty-nine thousand, four hundred eighty-nine".