1353923983458 has 18 divisors (see below), whose sum is σ = 2933512660299. Its totient is φ = 451306348932.

The previous prime is 1353923983387. The next prime is 1353923983463. The reversal of 1353923983458 is 8543893293531.

It is a happy number.

1353923983458 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 92 + 3 + 98 + 3 + 458 = 666.

It can be written as a sum of positive squares in only one way, i.e., 676961991729 + 676961991729 = 822777^2 + 822777^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=822777.

It is a super-2 number, since 2×1353923983458² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1353923983395 and 1353923983404.

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 8 ways as a sum of consecutive naturals, for example, 4799533 + ... + 5073791.

Almost surely, 2^{1353923983458} is an apocalyptic number.

1353923983458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1353923983458 is an abundant number, since it is smaller than the sum of its proper divisors (1579588676841).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1353923983458 is an frugal number, since it uses more digits than its factorization.

1353923983458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548526 (or 274264 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 1353923983458 in words is "one trillion, three hundred fifty-three billion, nine hundred twenty-three million, nine hundred eighty-three thousand, four hundred fifty-eight".