1086499609 has 8 divisors (see below), whose sum is σ = 1189258952. Its totient is φ = 986480640.

The previous prime is 1086499559. The next prime is 1086499613. The reversal of 1086499609 is 9069946801.

It can be written as a sum of positive squares in 4 ways, for example, as 172344384 + 914155225 = 13128^2 + 30235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1086499609 - 2¹⁹ = 1085975321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086499669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684264 + ... + 685849.

It is an arithmetic number, because the mean of its divisors is an integer number (148657369).

Almost surely, 2^1086499609 is an apocalyptic number.

It is an amenable number.

1086499609 is a deficient number, since it is larger than the sum of its proper divisors (102759343).

1086499609 is a wasteful number, since it uses less digits than its factorization.

1086499609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370187.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 1086499609 is about 32962.0935166442. The cubic root of 1086499609 is about 1028.0396335030.

The spelling of 1086499609 in words is "one billion, eighty-six million, four hundred ninety-nine thousand, six hundred nine".