64230546583 has 4 divisors (see below), whose sum is σ = 73406338960. Its totient is φ = 55054754208.

The previous prime is 64230546571. The next prime is 64230546607. The reversal of 64230546583 is 38564503246.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38564503246 = 2 ⋅19282251623.

It is a cyclic number.

It is not a de Polignac number, because 64230546583 - 2⁹ = 64230546071 is a prime.

It is a super-2 number, since 2×64230546583² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64230546683) 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, 4587896178 + ... + 4587896191.

It is an arithmetic number, because the mean of its divisors is an integer number (18351584740).

Almost surely, 2^64230546583 is an apocalyptic number.

64230546583 is a deficient number, since it is larger than the sum of its proper divisors (9175792377).

64230546583 is an equidigital number, since it uses as much as digits as its factorization.

64230546583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9175792376.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 64230546583 in words is "sixty-four billion, two hundred thirty million, five hundred forty-six thousand, five hundred eighty-three".