64310893 has 4 divisors (see below), whose sum is σ = 66528540. Its totient is φ = 62093248.

The previous prime is 64310891. The next prime is 64310923. The reversal of 64310893 is 39801346.

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 23068809 + 41242084 = 4803^2 + 6422^2 .

It is a cyclic number.

It is not a de Polignac number, because 64310893 - 2¹ = 64310891 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 (64310891) 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, 1108780 + ... + 1108837.

It is an arithmetic number, because the mean of its divisors is an integer number (16632135).

Almost surely, 2^64310893 is an apocalyptic number.

It is an amenable number.

64310893 is a deficient number, since it is larger than the sum of its proper divisors (2217647).

64310893 is a wasteful number, since it uses less digits than its factorization.

64310893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217646.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 64310893 is about 8019.4072723612. The cubic root of 64310893 is about 400.6466478032.

The spelling of 64310893 in words is "sixty-four million, three hundred ten thousand, eight hundred ninety-three".