64300024993 has 4 divisors (see below), whose sum is σ = 65113949440. Its totient is φ = 63486100548.

The previous prime is 64300024969. The next prime is 64300025057. The reversal of 64300024993 is 39942000346.

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.

It is a cyclic number.

It is not a de Polignac number, because 64300024993 - 2¹³ = 64300016801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64300021993) 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, 406962105 + ... + 406962262.

It is an arithmetic number, because the mean of its divisors is an integer number (16278487360).

Almost surely, 2^64300024993 is an apocalyptic number.

It is an amenable number.

64300024993 is a deficient number, since it is larger than the sum of its proper divisors (813924447).

64300024993 is an equidigital number, since it uses as much as digits as its factorization.

64300024993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813924446.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 64300024993 in words is "sixty-four billion, three hundred million, twenty-four thousand, nine hundred ninety-three".