56349749182609 has 3 divisors (see below), whose sum is σ = 56349756689257. Its totient is φ = 56349741675962.

The previous prime is 56349749182549. The next prime is 56349749182619. The reversal of 56349749182609 is 90628194794365.

The square root of 56349749182609 is 7506647.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 56349749182609 - 2¹⁹ = 56349748658321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56349749182619) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3753324 + ... + 11259970.

It is a 1-persistent number, because it is pandigital, but 2⋅56349749182609 = 112699498365218 is not.

Almost surely, 2^{56349749182609} is an apocalyptic number.

56349749182609 is the 7506647-th square number.

56349749182609 is the 3753324-th centered octagonal number.

It is an amenable number.

56349749182609 is a deficient number, since it is larger than the sum of its proper divisors (7506648).

56349749182609 is an frugal number, since it uses more digits than its factorization.

56349749182609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15013294 (or 7506647 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 56349749182609 in words is "fifty-six trillion, three hundred forty-nine billion, seven hundred forty-nine million, one hundred eighty-two thousand, six hundred nine".