64846822742 has 16 divisors (see below), whose sum is σ = 106316033712. Its totient is φ = 29482596000.

The previous prime is 64846822739. The next prime is 64846822753. The reversal of 64846822742 is 24722864846.

It is a super-2 number, since 2×64846822742² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18611009 + ... + 18614492.

It is an arithmetic number, because the mean of its divisors is an integer number (6644752107).

Almost surely, 2^64846822742 is an apocalyptic number.

64846822742 is a deficient number, since it is larger than the sum of its proper divisors (41469210970).

64846822742 is a wasteful number, since it uses less digits than its factorization.

64846822742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37225583.

The product of its digits is 8257536, while the sum is 53.

The spelling of 64846822742 in words is "sixty-four billion, eight hundred forty-six million, eight hundred twenty-two thousand, seven hundred forty-two".