1009650085 has 8 divisors (see below), whose sum is σ = 1213152120. Its totient is φ = 806672064.

The previous prime is 1009650073. The next prime is 1009650107. The reversal of 1009650085 is 5800569001.

It can be written as a sum of positive squares in 4 ways, for example, as 49084036 + 960566049 = 7006^2 + 30993^2 .

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 1009650085 - 2⁷ = 1009649957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1009650085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126750 + ... + 134479.

It is an arithmetic number, because the mean of its divisors is an integer number (151644015).

Almost surely, 2^1009650085 is an apocalyptic number.

It is an amenable number.

1009650085 is a deficient number, since it is larger than the sum of its proper divisors (203502035).

1009650085 is an equidigital number, since it uses as much as digits as its factorization.

1009650085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262007.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 1009650085 is about 31774.9915027526. The cubic root of 1009650085 is about 1003.2064029915.

The spelling of 1009650085 in words is "one billion, nine million, six hundred fifty thousand, eighty-five".