64430630306 has 8 divisors (see below), whose sum is σ = 110452509120. Its totient is φ = 27613127268.

The previous prime is 64430630291. The next prime is 64430630311. The reversal of 64430630306 is 60303603446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64430630306² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2301093926 + ... + 2301093953.

It is an arithmetic number, because the mean of its divisors is an integer number (13806563640).

Almost surely, 2^64430630306 is an apocalyptic number.

64430630306 is a deficient number, since it is larger than the sum of its proper divisors (46021878814).

64430630306 is a wasteful number, since it uses less digits than its factorization.

64430630306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602187888.

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 64430630306 in words is "sixty-four billion, four hundred thirty million, six hundred thirty thousand, three hundred six".