1464640513 has 4 divisors (see below), whose sum is σ = 1673874880. Its totient is φ = 1255406148.

The previous prime is 1464640481. The next prime is 1464640519. The reversal of 1464640513 is 3150464641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1464640513 - 2⁵ = 1464640481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464640519) 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, 104617173 + ... + 104617186.

It is an arithmetic number, because the mean of its divisors is an integer number (418468720).

Almost surely, 2^1464640513 is an apocalyptic number.

It is an amenable number.

1464640513 is a deficient number, since it is larger than the sum of its proper divisors (209234367).

1464640513 is an equidigital number, since it uses as much as digits as its factorization.

1464640513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209234366.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1464640513 is about 38270.6220618375. The cubic root of 1464640513 is about 1135.6478445512.

The spelling of 1464640513 in words is "one billion, four hundred sixty-four million, six hundred forty thousand, five hundred thirteen".