706553563647 has 4 divisors (see below), whose sum is σ = 942071418200. Its totient is φ = 471035709096.

The previous prime is 706553563643. The next prime is 706553563663. The reversal of 706553563647 is 746365355607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746365355607 = 3 ⋅248788451869.

It is not a de Polignac number, because 706553563647 - 2² = 706553563643 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 (706553563643) 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, 117758927272 + ... + 117758927277.

It is an arithmetic number, because the mean of its divisors is an integer number (235517854550).

Almost surely, 2^706553563647 is an apocalyptic number.

706553563647 is a deficient number, since it is larger than the sum of its proper divisors (235517854553).

706553563647 is a wasteful number, since it uses less digits than its factorization.

706553563647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235517854552.

The product of its (nonzero) digits is 47628000, while the sum is 57.

The spelling of 706553563647 in words is "seven hundred six billion, five hundred fifty-three million, five hundred sixty-three thousand, six hundred forty-seven".