1543226316353 has 4 divisors (see below), whose sum is σ = 1634004334980. Its totient is φ = 1452448297728.

The previous prime is 1543226316311. The next prime is 1543226316371. The reversal of 1543226316353 is 3536136223451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1347904746049 + 195321570304 = 1160993^2 + 441952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1543226316353 - 2²² = 1543222122049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1543226316253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45389009288 + ... + 45389009321.

It is an arithmetic number, because the mean of its divisors is an integer number (408501083745).

Almost surely, 2^{1543226316353} is an apocalyptic number.

It is an amenable number.

1543226316353 is a deficient number, since it is larger than the sum of its proper divisors (90778018627).

1543226316353 is an equidigital number, since it uses as much as digits as its factorization.

1543226316353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90778018626.

The product of its digits is 1166400, while the sum is 44.

The spelling of 1543226316353 in words is "one trillion, five hundred forty-three billion, two hundred twenty-six million, three hundred sixteen thousand, three hundred fifty-three".