701655542081 has 4 divisors (see below), whose sum is σ = 755629045332. Its totient is φ = 647682038832.

The previous prime is 701655542017. The next prime is 701655542099. The reversal of 701655542081 is 180245556107.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57400493056 + 644255049025 = 239584^2 + 802655^2 .

It is a cyclic number.

It is not a de Polignac number, because 701655542081 - 2⁶ = 701655542017 is a prime.

It is a super-2 number, since 2×701655542081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (701655544081) 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, 26986751606 + ... + 26986751631.

It is an arithmetic number, because the mean of its divisors is an integer number (188907261333).

Almost surely, 2^701655542081 is an apocalyptic number.

It is an amenable number.

701655542081 is a deficient number, since it is larger than the sum of its proper divisors (53973503251).

701655542081 is a wasteful number, since it uses less digits than its factorization.

701655542081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53973503250.

The product of its (nonzero) digits is 336000, while the sum is 44.

The spelling of 701655542081 in words is "seven hundred one billion, six hundred fifty-five million, five hundred forty-two thousand, eighty-one".