706634823431 has 4 divisors (see below), whose sum is σ = 709450101864. Its totient is φ = 703819545000.

The previous prime is 706634823409. The next prime is 706634823449. The reversal of 706634823431 is 134328436607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134328436607 = 23 ⋅5840366809.

It is a cyclic number.

It is not a de Polignac number, because 706634823431 - 2²² = 706630629127 is a prime.

It is a super-2 number, since 2×706634823431² (a number of 24 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 (706634823031) 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, 1407638840 + ... + 1407639341.

It is an arithmetic number, because the mean of its divisors is an integer number (177362525466).

Almost surely, 2^706634823431 is an apocalyptic number.

706634823431 is a deficient number, since it is larger than the sum of its proper divisors (2815278433).

706634823431 is a wasteful number, since it uses less digits than its factorization.

706634823431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815278432.

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 706634823431 in words is "seven hundred six billion, six hundred thirty-four million, eight hundred twenty-three thousand, four hundred thirty-one".