699931081326901 has 8 divisors (see below), whose sum is σ = 720079835378904. Its totient is φ = 679928863668480.

The previous prime is 699931081326889. The next prime is 699931081326937. The reversal of 699931081326901 is 109623180139996.

699931081326901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 31921878503025 + 668009202823876 = 5649945^2 + 25845874^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699931081326901 - 2³¹ = 699928933843253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699931081326941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36634088706 + ... + 36634107811.

It is an arithmetic number, because the mean of its divisors is an integer number (90009979422363).

Almost surely, 2^{699931081326901} is an apocalyptic number.

It is an amenable number.

699931081326901 is a deficient number, since it is larger than the sum of its proper divisors (20148754052003).

699931081326901 is a wasteful number, since it uses less digits than its factorization.

699931081326901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73268196791.

The product of its (nonzero) digits is 34012224, while the sum is 67.

The spelling of 699931081326901 in words is "six hundred ninety-nine trillion, nine hundred thirty-one billion, eighty-one million, three hundred twenty-six thousand, nine hundred one".