561064343403 has 8 divisors (see below), whose sum is σ = 748092990016. Its totient is φ = 374039296200.

The previous prime is 561064343369. The next prime is 561064343407. The reversal of 561064343403 is 304343460165.

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

It is not a de Polignac number, because 561064343403 - 2¹⁰ = 561064342379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561064343407) 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, 512293 + ... + 1176678.

It is an arithmetic number, because the mean of its divisors is an integer number (93511623752).

Almost surely, 2^561064343403 is an apocalyptic number.

561064343403 is a deficient number, since it is larger than the sum of its proper divisors (187028646613).

561064343403 is a wasteful number, since it uses less digits than its factorization.

561064343403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799705.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 561064343403 in words is "five hundred sixty-one billion, sixty-four million, three hundred forty-three thousand, four hundred three".