464064234661 has 4 divisors (see below), whose sum is σ = 464304311212. Its totient is φ = 463824158112.

The previous prime is 464064234659. The next prime is 464064234671. The reversal of 464064234661 is 166432460464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142728306436 + 321335928225 = 377794^2 + 566865^2 .

It is a cyclic number.

It is not a de Polignac number, because 464064234661 - 2¹ = 464064234659 is a prime.

It is a super-2 number, since 2×464064234661² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464064234671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120035376 + ... + 120039241.

It is an arithmetic number, because the mean of its divisors is an integer number (116076077803).

Almost surely, 2^464064234661 is an apocalyptic number.

It is an amenable number.

464064234661 is a deficient number, since it is larger than the sum of its proper divisors (240076551).

464064234661 is a wasteful number, since it uses less digits than its factorization.

464064234661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240076550.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 464064234661 in words is "four hundred sixty-four billion, sixty-four million, two hundred thirty-four thousand, six hundred sixty-one".