464596009561 has 6 divisors (see below), whose sum is σ = 493532785550. Its totient is φ = 437266832256.

The previous prime is 464596009541. The next prime is 464596009639. The reversal of 464596009561 is 165900695464.

It can be written as a sum of positive squares in 3 ways, for example, as 112657566025 + 351938443536 = 335645^2 + 593244^2 .

It is not a de Polignac number, because 464596009561 - 2⁷ = 464596009433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464596009541) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803799036 + ... + 803799613.

Almost surely, 2^464596009561 is an apocalyptic number.

It is an amenable number.

464596009561 is a deficient number, since it is larger than the sum of its proper divisors (28936775989).

464596009561 is a wasteful number, since it uses less digits than its factorization.

464596009561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607598683 (or 1607598666 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 55.

The spelling of 464596009561 in words is "four hundred sixty-four billion, five hundred ninety-six million, nine thousand, five hundred sixty-one".