64501395142 has 8 divisors (see below), whose sum is σ = 96757609896. Its totient is φ = 32248858512.

The previous prime is 64501395103. The next prime is 64501395157. The reversal of 64501395142 is 24159310546.

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

It is a junction number, because it is equal to n+sod(n) for n = 64501395095 and 64501395104.

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, 875263 + ... + 946090.

It is an arithmetic number, because the mean of its divisors is an integer number (12094701237).

Almost surely, 2^64501395142 is an apocalyptic number.

64501395142 is a deficient number, since it is larger than the sum of its proper divisors (32256214754).

64501395142 is a wasteful number, since it uses less digits than its factorization.

64501395142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839062.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 64501395142 in words is "sixty-four billion, five hundred one million, three hundred ninety-five thousand, one hundred forty-two".