1304399989370 has 16 divisors (see below), whose sum is σ = 2348200012680. Its totient is φ = 521697766464.

The previous prime is 1304399989369. The next prime is 1304399989433. The reversal of 1304399989370 is 739899934031.

It can be written as a sum of positive squares in 4 ways, for example, as 1278330980689 + 26069008681 = 1130633^2 + 161459^2 .

It is a super-2 number, since 2×1304399989370² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1304399989297 and 1304399989306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7690577 + ... + 7858356.

Almost surely, 2^{1304399989370} is an apocalyptic number.

1304399989370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304399989370 is a deficient number, since it is larger than the sum of its proper divisors (1043800023310).

1304399989370 is a wasteful number, since it uses less digits than its factorization.

1304399989370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557329.

The product of its (nonzero) digits is 39680928, while the sum is 65.

The spelling of 1304399989370 in words is "one trillion, three hundred four billion, three hundred ninety-nine million, nine hundred eighty-nine thousand, three hundred seventy".