61704496433 has 4 divisors (see below), whose sum is σ = 61705292388. Its totient is φ = 61703700480.

The previous prime is 61704496409. The next prime is 61704496519. The reversal of 61704496433 is 33469440716.

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 45397972624 + 16306523809 = 213068^2 + 127697^2 .

It is a cyclic number.

It is not a de Polignac number, because 61704496433 - 2¹⁶ = 61704430897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61704496033) 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 3 ways as a sum of consecutive naturals, for example, 267416 + ... + 441497.

It is an arithmetic number, because the mean of its divisors is an integer number (15426323097).

Almost surely, 2^61704496433 is an apocalyptic number.

It is an amenable number.

61704496433 is a deficient number, since it is larger than the sum of its proper divisors (795955).

61704496433 is an equidigital number, since it uses as much as digits as its factorization.

61704496433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795954.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 61704496433 in words is "sixty-one billion, seven hundred four million, four hundred ninety-six thousand, four hundred thirty-three".