64464811 has 4 divisors (see below), whose sum is σ = 64500624. Its totient is φ = 64429000.

The previous prime is 64464797. The next prime is 64464847. The reversal of 64464811 is 11846446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11846446 = 2 ⋅5923223.

It is a cyclic number.

It is not a de Polignac number, because 64464811 - 2¹³ = 64456619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64404811) 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, 15055 + ... + 18856.

It is an arithmetic number, because the mean of its divisors is an integer number (16125156).

Almost surely, 2^64464811 is an apocalyptic number.

64464811 is a deficient number, since it is larger than the sum of its proper divisors (35813).

64464811 is a wasteful number, since it uses less digits than its factorization.

64464811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35812.

The product of its digits is 18432, while the sum is 34.

The square root of 64464811 is about 8028.9981317721. The cubic root of 64464811 is about 400.9660213786.

The spelling of 64464811 in words is "sixty-four million, four hundred sixty-four thousand, eight hundred eleven".