64463400357242 has 8 divisors (see below), whose sum is σ = 101784316353600. Its totient is φ = 30535294906044.

The previous prime is 64463400357221. The next prime is 64463400357271. The reversal of 64463400357242 is 24275300436446.

It is a happy number.

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

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, 848202636242 + ... + 848202636317.

It is an arithmetic number, because the mean of its divisors is an integer number (12723039544200).

Almost surely, 2^{64463400357242} is an apocalyptic number.

64463400357242 is a deficient number, since it is larger than the sum of its proper divisors (37320915996358).

64463400357242 is a wasteful number, since it uses less digits than its factorization.

64463400357242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696405272580.

The product of its (nonzero) digits is 11612160, while the sum is 50.

The spelling of 64463400357242 in words is "sixty-four trillion, four hundred sixty-three billion, four hundred million, three hundred fifty-seven thousand, two hundred forty-two".