56706341433647 has 4 divisors (see below), whose sum is σ = 58238945256216. Its totient is φ = 55173737611080.

The previous prime is 56706341433611. The next prime is 56706341433649. The reversal of 56706341433647 is 74633414360765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56706341433647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56706341433649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766301911229 + ... + 766301911302.

It is an arithmetic number, because the mean of its divisors is an integer number (14559736314054).

Almost surely, 2^{56706341433647} is an apocalyptic number.

56706341433647 is a deficient number, since it is larger than the sum of its proper divisors (1532603822569).

56706341433647 is a wasteful number, since it uses less digits than its factorization.

56706341433647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532603822568.

The product of its (nonzero) digits is 91445760, while the sum is 59.

The spelling of 56706341433647 in words is "fifty-six trillion, seven hundred six billion, three hundred forty-one million, four hundred thirty-three thousand, six hundred forty-seven".