1099679417 has 4 divisors (see below), whose sum is σ = 1100320116. Its totient is φ = 1099038720.

The previous prime is 1099679407. The next prime is 1099679423. The reversal of 1099679417 is 7149769901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1004636416 + 95043001 = 31696^2 + 9749^2 .

It is a cyclic number.

It is not a de Polignac number, because 1099679417 - 2¹² = 1099675321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1099679407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317768 + ... + 321209.

It is an arithmetic number, because the mean of its divisors is an integer number (275080029).

Almost surely, 2^1099679417 is an apocalyptic number.

It is an amenable number.

1099679417 is a deficient number, since it is larger than the sum of its proper divisors (640699).

1099679417 is an equidigital number, since it uses as much as digits as its factorization.

1099679417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640698.

The product of its (nonzero) digits is 857304, while the sum is 53.

The square root of 1099679417 is about 33161.4145808046. The cubic root of 1099679417 is about 1032.1798234533.

The spelling of 1099679417 in words is "one billion, ninety-nine million, six hundred seventy-nine thousand, four hundred seventeen".