321069899699 has 2 divisors, whose sum is σ = 321069899700. Its totient is φ = 321069899698.

The previous prime is 321069899693. The next prime is 321069899723. The reversal of 321069899699 is 996998960123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321069899699 - 2³² = 316774932403 is a prime.

It is not a weakly prime, because it can be changed into another prime (321069899693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160534949849 + 160534949850.

It is an arithmetic number, because the mean of its divisors is an integer number (160534949850).

Almost surely, 2^321069899699 is an apocalyptic number.

321069899699 is a deficient number, since it is larger than the sum of its proper divisors (1).

321069899699 is an equidigital number, since it uses as much as digits as its factorization.

321069899699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102036672, while the sum is 71.

The spelling of 321069899699 in words is "three hundred twenty-one billion, sixty-nine million, eight hundred ninety-nine thousand, six hundred ninety-nine".