706405554037231 has 4 divisors (see below), whose sum is σ = 747958821921792. Its totient is φ = 664852286152672.

The previous prime is 706405554037219. The next prime is 706405554037273. The reversal of 706405554037231 is 132730455504607.

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

It is a cyclic number.

It is not a de Polignac number, because 706405554037231 - 2¹¹ = 706405554035183 is a prime.

It is a super-2 number, since 2×706405554037231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706405554034231) 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, 20776633942255 + ... + 20776633942288.

It is an arithmetic number, because the mean of its divisors is an integer number (186989705480448).

Almost surely, 2^{706405554037231} is an apocalyptic number.

706405554037231 is a deficient number, since it is larger than the sum of its proper divisors (41553267884561).

706405554037231 is a wasteful number, since it uses less digits than its factorization.

706405554037231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41553267884560.

The product of its (nonzero) digits is 10584000, while the sum is 52.

The spelling of 706405554037231 in words is "seven hundred six trillion, four hundred five billion, five hundred fifty-four million, thirty-seven thousand, two hundred thirty-one".