353407540649 has 2 divisors, whose sum is σ = 353407540650. Its totient is φ = 353407540648.

The previous prime is 353407540621. The next prime is 353407540693. The reversal of 353407540649 is 946045704353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206258580649 + 147148960000 = 454157^2 + 383600^2 .

It is a cyclic number.

It is not a de Polignac number, because 353407540649 - 2⁸ = 353407540393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 353407540597 and 353407540606.

It is not a weakly prime, because it can be changed into another prime (353407546649) 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 as a sum of consecutive naturals, namely, 176703770324 + 176703770325.

It is an arithmetic number, because the mean of its divisors is an integer number (176703770325).

Almost surely, 2^353407540649 is an apocalyptic number.

It is an amenable number.

353407540649 is a deficient number, since it is larger than the sum of its proper divisors (1).

353407540649 is an equidigital number, since it uses as much as digits as its factorization.

353407540649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 353407540649 in words is "three hundred fifty-three billion, four hundred seven million, five hundred forty thousand, six hundred forty-nine".