353501685049 has 2 divisors, whose sum is σ = 353501685050. Its totient is φ = 353501685048.

The previous prime is 353501685037. The next prime is 353501685113. The reversal of 353501685049 is 940586105353.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239946164649 + 113555520400 = 489843^2 + 336980^2 .

It is a cyclic number.

It is not a de Polignac number, because 353501685049 - 2¹¹ = 353501683001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353501684993 and 353501685011.

It is not a weakly prime, because it can be changed into another prime (353501685349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176750842524 + 176750842525.

It is an arithmetic number, because the mean of its divisors is an integer number (176750842525).

Almost surely, 2^353501685049 is an apocalyptic number.

It is an amenable number.

353501685049 is a deficient number, since it is larger than the sum of its proper divisors (1).

353501685049 is an equidigital number, since it uses as much as digits as its factorization.

353501685049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944000, while the sum is 49.

The spelling of 353501685049 in words is "three hundred fifty-three billion, five hundred one million, six hundred eighty-five thousand, forty-nine".