64342811 has 4 divisors (see below), whose sum is σ = 69292272. Its totient is φ = 59393352.

The previous prime is 64342801. The next prime is 64342823. The reversal of 64342811 is 11824346.

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

It is a cyclic number.

It is not a de Polignac number, because 64342811 - 2²² = 60148507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64342801) 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, 2474711 + ... + 2474736.

It is an arithmetic number, because the mean of its divisors is an integer number (17323068).

Almost surely, 2^64342811 is an apocalyptic number.

64342811 is a deficient number, since it is larger than the sum of its proper divisors (4949461).

64342811 is a wasteful number, since it uses less digits than its factorization.

64342811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949460.

The product of its digits is 4608, while the sum is 29.

The square root of 64342811 is about 8021.3970728296. The cubic root of 64342811 is about 400.7129181976.

The spelling of 64342811 in words is "sixty-four million, three hundred forty-two thousand, eight hundred eleven".