64243036342 has 8 divisors (see below), whose sum is σ = 96368879376. Its totient is φ = 32120076552.

The previous prime is 64243036309. The next prime is 64243036349. The reversal of 64243036342 is 24363034246.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64243036349) 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, 664218 + ... + 754765.

It is an arithmetic number, because the mean of its divisors is an integer number (12046109922).

Almost surely, 2^64243036342 is an apocalyptic number.

64243036342 is a deficient number, since it is larger than the sum of its proper divisors (32125843034).

64243036342 is a wasteful number, since it uses less digits than its factorization.

64243036342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441622.

The product of its (nonzero) digits is 248832, while the sum is 37.

The spelling of 64243036342 in words is "sixty-four billion, two hundred forty-three million, thirty-six thousand, three hundred forty-two".