1679699472029 has 2 divisors, whose sum is σ = 1679699472030. Its totient is φ = 1679699472028.

The previous prime is 1679699471993. The next prime is 1679699472041. The reversal of 1679699472029 is 9202749969761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1422767068804 + 256932403225 = 1192798^2 + 506885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1679699472029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679699472229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839849736014 + 839849736015.

It is an arithmetic number, because the mean of its divisors is an integer number (839849736015).

Almost surely, 2^{1679699472029} is an apocalyptic number.

It is an amenable number.

1679699472029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679699472029 is an equidigital number, since it uses as much as digits as its factorization.

1679699472029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 185177664, while the sum is 71.

The spelling of 1679699472029 in words is "one trillion, six hundred seventy-nine billion, six hundred ninety-nine million, four hundred seventy-two thousand, twenty-nine".