64458863349 has 4 divisors (see below), whose sum is σ = 85945151136. Its totient is φ = 42972575564.

The previous prime is 64458863333. The next prime is 64458863353. The reversal of 64458863349 is 94336885446.

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 64458863349 - 2⁴ = 64458863333 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64458863292 and 64458863301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64458863309) 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, 10743143889 + ... + 10743143894.

It is an arithmetic number, because the mean of its divisors is an integer number (21486287784).

Almost surely, 2^64458863349 is an apocalyptic number.

It is an amenable number.

64458863349 is a deficient number, since it is larger than the sum of its proper divisors (21486287787).

64458863349 is a wasteful number, since it uses less digits than its factorization.

64458863349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21486287786.

The product of its digits is 59719680, while the sum is 60.

The spelling of 64458863349 in words is "sixty-four billion, four hundred fifty-eight million, eight hundred sixty-three thousand, three hundred forty-nine".