64735504953432 has 64 divisors (see below), whose sum is σ = 167294995737600. Its totient is φ = 20852967438720.

The previous prime is 64735504953367. The next prime is 64735504953461. The reversal of 64735504953432 is 23435940553746.

It is a happy number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60833638 + ... + 61888629.

It is an arithmetic number, because the mean of its divisors is an integer number (2613984308400).

Almost surely, 2^{64735504953432} is an apocalyptic number.

64735504953432 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64735504953432 is an abundant number, since it is smaller than the sum of its proper divisors (102559490784168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64735504953432 is a wasteful number, since it uses less digits than its factorization.

64735504953432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122723016 (or 122723012 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 60.

The spelling of 64735504953432 in words is "sixty-four trillion, seven hundred thirty-five billion, five hundred four million, nine hundred fifty-three thousand, four hundred thirty-two".