43264504350661 has 8 divisors (see below), whose sum is σ = 48201846240384. Its totient is φ = 38494529982720.

The previous prime is 43264504350659. The next prime is 43264504350677. The reversal of 43264504350661 is 16605340546234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43264504350661 - 2¹ = 43264504350659 is a prime.

It is a super-2 number, since 2×43264504350661² (a number of 28 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 (43264504350161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41841879900 + ... + 41841880933.

It is an arithmetic number, because the mean of its divisors is an integer number (6025230780048).

Almost surely, 2^{43264504350661} is an apocalyptic number.

It is an amenable number.

43264504350661 is a deficient number, since it is larger than the sum of its proper divisors (4937341889723).

43264504350661 is a wasteful number, since it uses less digits than its factorization.

43264504350661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83683760891.

The product of its (nonzero) digits is 6220800, while the sum is 49.

Adding to 43264504350661 its reverse (16605340546234), we get a palindrome (59869844896895).

The spelling of 43264504350661 in words is "forty-three trillion, two hundred sixty-four billion, five hundred four million, three hundred fifty thousand, six hundred sixty-one".