1679634433 has 8 divisors (see below), whose sum is σ = 1722435840. Its totient is φ = 1637364960.

The previous prime is 1679634431. The next prime is 1679634449. The reversal of 1679634433 is 3344369761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1679634433 - 2¹ = 1679634431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1679634431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126585 + ... + 139222.

It is an arithmetic number, because the mean of its divisors is an integer number (215304480).

Almost surely, 2^1679634433 is an apocalyptic number.

It is an amenable number.

1679634433 is a deficient number, since it is larger than the sum of its proper divisors (42801407).

1679634433 is an equidigital number, since it uses as much as digits as its factorization.

1679634433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265967.

The product of its digits is 979776, while the sum is 46.

The square root of 1679634433 is about 40983.3433604434. The cubic root of 1679634433 is about 1188.6981580390.

The spelling of 1679634433 in words is "one billion, six hundred seventy-nine million, six hundred thirty-four thousand, four hundred thirty-three".