636064311542 has 8 divisors (see below), whose sum is σ = 1040832509832. Its totient is φ = 289120141600.

The previous prime is 636064311523. The next prime is 636064311559. The reversal of 636064311542 is 245113460636.

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

It is a self number, because there is not a number n which added to its sum of digits gives 636064311542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14456007059 + ... + 14456007102.

It is an arithmetic number, because the mean of its divisors is an integer number (130104063729).

Almost surely, 2^636064311542 is an apocalyptic number.

636064311542 is a deficient number, since it is larger than the sum of its proper divisors (404768198290).

636064311542 is a wasteful number, since it uses less digits than its factorization.

636064311542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28912014174.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 636064311542 in words is "six hundred thirty-six billion, sixty-four million, three hundred eleven thousand, five hundred forty-two".