1464009149 has 4 divisors (see below), whose sum is σ = 1480458780. Its totient is φ = 1447559520.

The previous prime is 1464009103. The next prime is 1464009167. The reversal of 1464009149 is 9419004641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 176491225 + 1287517924 = 13285^2 + 35882^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464009149 - 2²⁸ = 1195573693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464009199) 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, 8224682 + ... + 8224859.

It is an arithmetic number, because the mean of its divisors is an integer number (370114695).

Almost surely, 2^1464009149 is an apocalyptic number.

It is an amenable number.

1464009149 is a deficient number, since it is larger than the sum of its proper divisors (16449631).

1464009149 is an equidigital number, since it uses as much as digits as its factorization.

1464009149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16449630.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 1464009149 is about 38262.3724957039. The cubic root of 1464009149 is about 1135.4846394937.

The spelling of 1464009149 in words is "one billion, four hundred sixty-four million, nine thousand, one hundred forty-nine".