1355653673 has 8 divisors (see below), whose sum is σ = 1479391680. Its totient is φ = 1231998480.

The previous prime is 1355653657. The next prime is 1355653681. The reversal of 1355653673 is 3763565531.

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

It is a cyclic number.

It is not a de Polignac number, because 1355653673 - 2⁴ = 1355653657 is a prime.

It is a super-2 number, since 2×1355653673² = 3675593762236781858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355653573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16436 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (184923960).

Almost surely, 2^1355653673 is an apocalyptic number.

It is an amenable number.

1355653673 is a deficient number, since it is larger than the sum of its proper divisors (123738007).

1355653673 is a wasteful number, since it uses less digits than its factorization.

1355653673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41407.

The product of its digits is 850500, while the sum is 44.

The square root of 1355653673 is about 36819.2025035850. The cubic root of 1355653673 is about 1106.7501385705.

The spelling of 1355653673 in words is "one billion, three hundred fifty-five million, six hundred fifty-three thousand, six hundred seventy-three".