4146490509 has 16 divisors (see below), whose sum is σ = 6389458560. Its totient is φ = 2342799360.

The previous prime is 4146490477. The next prime is 4146490571. The reversal of 4146490509 is 9050946414.

It is not a de Polignac number, because 4146490509 - 2⁵ = 4146490477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4146490589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107412 + ... + 1111149.

It is an arithmetic number, because the mean of its divisors is an integer number (399341160).

Almost surely, 2^4146490509 is an apocalyptic number.

It is an amenable number.

4146490509 is a deficient number, since it is larger than the sum of its proper divisors (2242968051).

4146490509 is a wasteful number, since it uses less digits than its factorization.

4146490509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218660.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 4146490509 is about 64393.2489396210. The cubic root of 4146490509 is about 1606.5474552473.

The spelling of 4146490509 in words is "four billion, one hundred forty-six million, four hundred ninety thousand, five hundred nine".