64469817454 has 16 divisors (see below), whose sum is σ = 111497740128. Its totient is φ = 27385408512.

The previous prime is 64469817449. The next prime is 64469817571. The reversal of 64469817454 is 45471896446.

It is a happy number.

64469817454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 20374467 + ... + 20377630.

It is an arithmetic number, because the mean of its divisors is an integer number (6968608758).

Almost surely, 2^64469817454 is an apocalyptic number.

64469817454 is a deficient number, since it is larger than the sum of its proper divisors (47027922674).

64469817454 is a wasteful number, since it uses less digits than its factorization.

64469817454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40752219.

The product of its digits is 23224320, while the sum is 58.

The spelling of 64469817454 in words is "sixty-four billion, four hundred sixty-nine million, eight hundred seventeen thousand, four hundred fifty-four".