353685928861 has 2 divisors, whose sum is σ = 353685928862. Its totient is φ = 353685928860.

The previous prime is 353685928847. The next prime is 353685928873. The reversal of 353685928861 is 168829586353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311287000761 + 42398928100 = 557931^2 + 205910^2 .

It is a cyclic number.

It is not a de Polignac number, because 353685928861 - 2¹⁹ = 353685404573 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353685928793 and 353685928802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353685928801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176842964430 + 176842964431.

It is an arithmetic number, because the mean of its divisors is an integer number (176842964431).

Almost surely, 2^353685928861 is an apocalyptic number.

It is an amenable number.

353685928861 is a deficient number, since it is larger than the sum of its proper divisors (1).

353685928861 is an equidigital number, since it uses as much as digits as its factorization.

353685928861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 64.

The spelling of 353685928861 in words is "three hundred fifty-three billion, six hundred eighty-five million, nine hundred twenty-eight thousand, eight hundred sixty-one".