706042185381 has 24 divisors (see below), whose sum is σ = 1100524772256. Its totient is φ = 433602560160.

The previous prime is 706042185367. The next prime is 706042185419. The reversal of 706042185381 is 183581240607.

706042185381 is a `hidden beast` number, since 7 + 0 + 60 + 42 + 18 + 538 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-706042185381 is a prime.

It is a super-2 number, since 2×706042185381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706042185311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6087715 + ... + 6202608.

It is an arithmetic number, because the mean of its divisors is an integer number (45855198844).

Almost surely, 2^706042185381 is an apocalyptic number.

It is an amenable number.

706042185381 is a deficient number, since it is larger than the sum of its proper divisors (394482586875).

706042185381 is a wasteful number, since it uses less digits than its factorization.

706042185381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290833 (or 12290830 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 706042185381 in words is "seven hundred six billion, forty-two million, one hundred eighty-five thousand, three hundred eighty-one".