1679653111 has 2 divisors, whose sum is σ = 1679653112. Its totient is φ = 1679653110.

The previous prime is 1679653103. The next prime is 1679653121. The reversal of 1679653111 is 1113569761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1679653111 - 2³ = 1679653103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679653121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839826555 + 839826556.

It is an arithmetic number, because the mean of its divisors is an integer number (839826556).

Almost surely, 2^1679653111 is an apocalyptic number.

1679653111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679653111 is an equidigital number, since it uses as much as digits as its factorization.

1679653111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 40.

The square root of 1679653111 is about 40983.5712328733. The cubic root of 1679653111 is about 1188.7025642402.

The spelling of 1679653111 in words is "one billion, six hundred seventy-nine million, six hundred fifty-three thousand, one hundred eleven".