64492193 has 4 divisors (see below), whose sum is σ = 64520880. Its totient is φ = 64463508.

The previous prime is 64492187. The next prime is 64492231. The reversal of 64492193 is 39129446.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39129446 = 2 ⋅19564723.

It is a cyclic number.

It is not a de Polignac number, because 64492193 - 2¹² = 64488097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64492093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10655 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (16130220).

Almost surely, 2^64492193 is an apocalyptic number.

It is an amenable number.

64492193 is a deficient number, since it is larger than the sum of its proper divisors (28687).

64492193 is a wasteful number, since it uses less digits than its factorization.

64492193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28686.

The product of its digits is 46656, while the sum is 38.

The square root of 64492193 is about 8030.7031448062. The cubic root of 64492193 is about 401.0227846333.

The spelling of 64492193 in words is "sixty-four million, four hundred ninety-two thousand, one hundred ninety-three".