64248363427 has 4 divisors (see below), whose sum is σ = 64442467576. Its totient is φ = 64054259280.

The previous prime is 64248363353. The next prime is 64248363451. The reversal of 64248363427 is 72436384246.

64248363427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72436384246 = 2 ⋅36218192123.

It is a cyclic number.

It is not a de Polignac number, because 64248363427 - 2²³ = 64239974819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64248363727) 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, 97051578 + ... + 97052239.

It is an arithmetic number, because the mean of its divisors is an integer number (16110616894).

Almost surely, 2^64248363427 is an apocalyptic number.

64248363427 is a deficient number, since it is larger than the sum of its proper divisors (194104149).

64248363427 is a wasteful number, since it uses less digits than its factorization.

64248363427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194104148.

The product of its digits is 4644864, while the sum is 49.

The spelling of 64248363427 in words is "sixty-four billion, two hundred forty-eight million, three hundred sixty-three thousand, four hundred twenty-seven".