353611696981 has 8 divisors (see below), whose sum is σ = 357085796760. Its totient is φ = 350141778432.

The previous prime is 353611696979. The next prime is 353611697009. The reversal of 353611696981 is 189696116353.

It can be written as a sum of positive squares in 4 ways, for example, as 47093340100 + 306518356881 = 217010^2 + 553641^2 .

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 353611696981 - 2¹ = 353611696979 is a prime.

It is a super-2 number, since 2×353611696981² (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 (353611696181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875200 + ... + 1213753.

It is an arithmetic number, because the mean of its divisors is an integer number (44635724595).

Almost surely, 2^353611696981 is an apocalyptic number.

It is an amenable number.

353611696981 is a deficient number, since it is larger than the sum of its proper divisors (3474099779).

353611696981 is a wasteful number, since it uses less digits than its factorization.

353611696981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090615.

The product of its digits is 6298560, while the sum is 58.

The spelling of 353611696981 in words is "three hundred fifty-three billion, six hundred eleven million, six hundred ninety-six thousand, nine hundred eighty-one".