1253318679682 has 16 divisors (see below), whose sum is σ = 1880987864472. Its totient is φ = 626322816000.

The previous prime is 1253318679659. The next prime is 1253318679713. The reversal of 1253318679682 is 2869768133521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1176810566481 + 76508113201 = 1084809^2 + 276601^2 .

It is a super-2 number, since 2×1253318679682² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253318679682.

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, 33934858 + ... + 33971770.

Almost surely, 2^{1253318679682} is an apocalyptic number.

1253318679682 is a deficient number, since it is larger than the sum of its proper divisors (627669184790).

1253318679682 is a wasteful number, since it uses less digits than its factorization.

1253318679682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45573.

The product of its digits is 26127360, while the sum is 61.

The spelling of 1253318679682 in words is "one trillion, two hundred fifty-three billion, three hundred eighteen million, six hundred seventy-nine thousand, six hundred eighty-two".