1321406610362 has 8 divisors (see below), whose sum is σ = 1985773706292. Its totient is φ = 659482041600.

The previous prime is 1321406610281. The next prime is 1321406610371. The reversal of 1321406610362 is 2630166041231.

It can be written as a sum of positive squares in 2 ways, for example, as 1315313090641 + 6093519721 = 1146871^2 + 78061^2 .

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

It is a super-2 number, since 2×1321406610362² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610630439 + ... + 610632602.

Almost surely, 2^{1321406610362} is an apocalyptic number.

1321406610362 is a deficient number, since it is larger than the sum of its proper divisors (664367095930).

1321406610362 is a wasteful number, since it uses less digits than its factorization.

1321406610362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221263584.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 1321406610362 in words is "one trillion, three hundred twenty-one billion, four hundred six million, six hundred ten thousand, three hundred sixty-two".