1010190909 has 96 divisors (see below), whose sum is σ = 1757971200. Its totient is φ = 515144448.

The previous prime is 1010190899. The next prime is 1010190977. The reversal of 1010190909 is 9090910101.

It is not a de Polignac number, because 1010190909 - 2¹⁷ = 1010059837 is a prime.

1010190909 is a modest number, since divided by 90909 gives 10101 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010190989) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6434259 + ... + 6434415.

It is an arithmetic number, because the mean of its divisors is an integer number (18312200).

Almost surely, 2^1010190909 is an apocalyptic number.

It is an amenable number.

1010190909 is a deficient number, since it is larger than the sum of its proper divisors (747780291).

1010190909 is a wasteful number, since it uses less digits than its factorization.

1010190909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 1010190909 is about 31783.5005781302. The cubic root of 1010190909 is about 1003.3854951549.

It can be divided in two parts, 10101 and 90909, that multiplied together give a square (918271809 = 30303²).

The spelling of 1010190909 in words is "one billion, ten million, one hundred ninety thousand, nine hundred nine".