1346203643 has 4 divisors (see below), whose sum is σ = 1362423048. Its totient is φ = 1329984240.

The previous prime is 1346203603. The next prime is 1346203679. The reversal of 1346203643 is 3463026431.

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

It is a cyclic number.

It is not a de Polignac number, because 1346203643 - 2⁸ = 1346203387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346203603) 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, 8109578 + ... + 8109743.

It is an arithmetic number, because the mean of its divisors is an integer number (340605762).

Almost surely, 2^1346203643 is an apocalyptic number.

1346203643 is a deficient number, since it is larger than the sum of its proper divisors (16219405).

1346203643 is an equidigital number, since it uses as much as digits as its factorization.

1346203643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16219404.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 1346203643 is about 36690.6478956150. The cubic root of 1346203643 is about 1104.1724844603.

The spelling of 1346203643 in words is "one billion, three hundred forty-six million, two hundred three thousand, six hundred forty-three".