1307679489 has 6 divisors (see below), whose sum is σ = 1888870386. Its totient is φ = 871786320.

The previous prime is 1307679487. The next prime is 1307679497. The reversal of 1307679489 is 9849767031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1261670400 + 46009089 = 35520^2 + 6783^2 .

It is not a de Polignac number, because 1307679489 - 2¹ = 1307679487 is a prime.

It is a super-2 number, since 2×1307679489² = 3420051291902602242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1307679487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72648852 + ... + 72648869.

It is an arithmetic number, because the mean of its divisors is an integer number (314811731).

Almost surely, 2^1307679489 is an apocalyptic number.

It is an amenable number.

1307679489 is a deficient number, since it is larger than the sum of its proper divisors (581190897).

1307679489 is a wasteful number, since it uses less digits than its factorization.

1307679489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145297727 (or 145297724 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 1307679489 is about 36161.8512938705. The cubic root of 1307679489 is about 1093.5377266243.

The spelling of 1307679489 in words is "one billion, three hundred seven million, six hundred seventy-nine thousand, four hundred eighty-nine".