64408526674 has 16 divisors (see below), whose sum is σ = 97846024320. Its totient is φ = 31793271120.

The previous prime is 64408526597. The next prime is 64408526687. The reversal of 64408526674 is 47662580446.

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, 2236084 + ... + 2264704.

It is an arithmetic number, because the mean of its divisors is an integer number (6115376520).

Almost surely, 2^64408526674 is an apocalyptic number.

64408526674 is a deficient number, since it is larger than the sum of its proper divisors (33437497646).

64408526674 is a wasteful number, since it uses less digits than its factorization.

64408526674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42945.

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 64408526674 in words is "sixty-four billion, four hundred eight million, five hundred twenty-six thousand, six hundred seventy-four".