1679541999 has 32 divisors (see below), whose sum is σ = 2379546624. Its totient is φ = 1052248320.

The previous prime is 1679541977. The next prime is 1679542001. The reversal of 1679541999 is 9991459761.

It is not a de Polignac number, because 1679541999 - 2¹¹ = 1679539951 is a prime.

It is a super-2 number, since 2×1679541999² = 5641722652809832002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679541959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466962 + ... + 470544.

It is an arithmetic number, because the mean of its divisors is an integer number (74360832).

Almost surely, 2^1679541999 is an apocalyptic number.

1679541999 is a deficient number, since it is larger than the sum of its proper divisors (700004625).

1679541999 is a wasteful number, since it uses less digits than its factorization.

1679541999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its digits is 5511240, while the sum is 60.

The square root of 1679541999 is about 40982.2156428859. The cubic root of 1679541999 is about 1188.6763520756.

The spelling of 1679541999 in words is "one billion, six hundred seventy-nine million, five hundred forty-one thousand, nine hundred ninety-nine".