643196601353 has 12 divisors (see below), whose sum is σ = 664671429504. Its totient is φ = 622394706600.

The previous prime is 643196601287. The next prime is 643196601361. The reversal of 643196601353 is 353106691346.

It is not a de Polignac number, because 643196601353 - 2⁸ = 643196601097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 643196601298 and 643196601307.

It is not an unprimeable number, because it can be changed into a prime (643196601253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15461900 + ... + 15503442.

It is an arithmetic number, because the mean of its divisors is an integer number (55389285792).

Almost surely, 2^643196601353 is an apocalyptic number.

It is an amenable number.

643196601353 is a deficient number, since it is larger than the sum of its proper divisors (21474828151).

643196601353 is a wasteful number, since it uses less digits than its factorization.

643196601353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57716 (or 57685 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 47.

The spelling of 643196601353 in words is "six hundred forty-three billion, one hundred ninety-six million, six hundred one thousand, three hundred fifty-three".