1253190492418 has 8 divisors (see below), whose sum is σ = 1890171295740. Its totient is φ = 623133393840.

The previous prime is 1253190492401. The next prime is 1253190492451. The reversal of 1253190492418 is 8142940913521.

It can be written as a sum of positive squares in 2 ways, for example, as 924257272689 + 328933219729 = 961383^2 + 573527^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730925733 + ... + 1730926456.

Almost surely, 2^{1253190492418} is an apocalyptic number.

1253190492418 is a deficient number, since it is larger than the sum of its proper divisors (636980803322).

1253190492418 is a wasteful number, since it uses less digits than its factorization.

1253190492418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461852372.

The product of its (nonzero) digits is 622080, while the sum is 49.

The spelling of 1253190492418 in words is "one trillion, two hundred fifty-three billion, one hundred ninety million, four hundred ninety-two thousand, four hundred eighteen".