564235532465 has 16 divisors (see below), whose sum is σ = 743949541440. Its totient is φ = 407400928320.

The previous prime is 564235532453. The next prime is 564235532503.

It is a happy number.

564235532465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 564235532465 - 2¹² = 564235528369 is a prime.

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, 36894614 + ... + 36909903.

It is an arithmetic number, because the mean of its divisors is an integer number (46496846340).

Almost surely, 2^564235532465 is an apocalyptic number.

564235532465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

564235532465 is a deficient number, since it is larger than the sum of its proper divisors (179714008975).

564235532465 is a wasteful number, since it uses less digits than its factorization.

564235532465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73804672.

The product of its digits is 12960000, while the sum is 50.

The spelling of 564235532465 in words is "five hundred sixty-four billion, two hundred thirty-five million, five hundred thirty-two thousand, four hundred sixty-five".