64020535435 has 32 divisors (see below), whose sum is σ = 81268162560. Its totient is φ = 48281401728.

The previous prime is 64020535421. The next prime is 64020535441. The reversal of 64020535435 is 53453502046.

It is a cyclic number.

It is not a de Polignac number, because 64020535435 - 2¹³ = 64020527243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64020535394 and 64020535403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17717689 + ... + 17721301.

It is an arithmetic number, because the mean of its divisors is an integer number (2539630080).

Almost surely, 2^64020535435 is an apocalyptic number.

64020535435 is a deficient number, since it is larger than the sum of its proper divisors (17247627125).

64020535435 is a wasteful number, since it uses less digits than its factorization.

64020535435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4507.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 64020535435 in words is "sixty-four billion, twenty million, five hundred thirty-five thousand, four hundred thirty-five".