706021135057 has 6 divisors (see below), whose sum is σ = 821289891858. Its totient is φ = 605160972864.

The previous prime is 706021135037. The next prime is 706021135067. The reversal of 706021135057 is 750531120607.

It can be written as a sum of positive squares in only one way, i.e., 552976653376 + 153044481681 = 743624^2 + 391209^2 .

It is not a de Polignac number, because 706021135057 - 2¹⁹ = 706020610769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706021135037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7204297248 + ... + 7204297345.

It is an arithmetic number, because the mean of its divisors is an integer number (136881648643).

Almost surely, 2^706021135057 is an apocalyptic number.

It is an amenable number.

706021135057 is a deficient number, since it is larger than the sum of its proper divisors (115268756801).

706021135057 is a wasteful number, since it uses less digits than its factorization.

706021135057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14408594607 (or 14408594600 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The spelling of 706021135057 in words is "seven hundred six billion, twenty-one million, one hundred thirty-five thousand, fifty-seven".