64531742333461 has 16 divisors (see below), whose sum is σ = 71758980536320. Its totient is φ = 57628976376960.

The previous prime is 64531742333441. The next prime is 64531742333467. The reversal of 64531742333461 is 16433324713546.

It is a happy number.

64531742333461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 64531742333461 - 2¹⁹ = 64531741809173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64531742333399 and 64531742333408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64531742333467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22602576 + ... + 25297033.

It is an arithmetic number, because the mean of its divisors is an integer number (4484936283520).

Almost surely, 2^{64531742333461} is an apocalyptic number.

It is an amenable number.

64531742333461 is a deficient number, since it is larger than the sum of its proper divisors (7227238202859).

64531742333461 is a wasteful number, since it uses less digits than its factorization.

64531742333461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47902996.

The product of its digits is 13063680, while the sum is 52.

The spelling of 64531742333461 in words is "sixty-four trillion, five hundred thirty-one billion, seven hundred forty-two million, three hundred thirty-three thousand, four hundred sixty-one".