65609429435 has 32 divisors (see below), whose sum is σ = 90985248000. Its totient is φ = 44916543360.

The previous prime is 65609429419. The next prime is 65609429471. The reversal of 65609429435 is 53492490656.

It is a happy number.

It is not a de Polignac number, because 65609429435 - 2⁴ = 65609429419 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35885 + ... + 364014.

It is an arithmetic number, because the mean of its divisors is an integer number (2843289000).

Almost surely, 2^65609429435 is an apocalyptic number.

65609429435 is a deficient number, since it is larger than the sum of its proper divisors (25375818565).

65609429435 is a wasteful number, since it uses less digits than its factorization.

65609429435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400091.

The product of its (nonzero) digits is 6998400, while the sum is 53.

The spelling of 65609429435 in words is "sixty-five billion, six hundred nine million, four hundred twenty-nine thousand, four hundred thirty-five".