1679410749 has 4 divisors (see below), whose sum is σ = 2239214336. Its totient is φ = 1119607164.

The previous prime is 1679410693. The next prime is 1679410763. The reversal of 1679410749 is 9470149761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1679410749 - 2⁹ = 1679410237 is a prime.

It is a super-3 number, since 3×1679410749³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1679410698 and 1679410707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679410769) 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, 279901789 + ... + 279901794.

It is an arithmetic number, because the mean of its divisors is an integer number (559803584).

Almost surely, 2^1679410749 is an apocalyptic number.

It is an amenable number.

1679410749 is a deficient number, since it is larger than the sum of its proper divisors (559803587).

1679410749 is an equidigital number, since it uses as much as digits as its factorization.

1679410749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559803586.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 1679410749 is about 40980.6143072551. The cubic root of 1679410749 is about 1188.6453877144.

The spelling of 1679410749 in words is "one billion, six hundred seventy-nine million, four hundred ten thousand, seven hundred forty-nine".