1603264341403 has 2 divisors, whose sum is σ = 1603264341404. Its totient is φ = 1603264341402.

The previous prime is 1603264341389. The next prime is 1603264341479. The reversal of 1603264341403 is 3041434623061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1603264341403 - 2¹³ = 1603264333211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1603264341803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 801632170701 + 801632170702.

It is an arithmetic number, because the mean of its divisors is an integer number (801632170702).

Almost surely, 2^{1603264341403} is an apocalyptic number.

1603264341403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603264341403 is an equidigital number, since it uses as much as digits as its factorization.

1603264341403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 1603264341403 its reverse (3041434623061), we get a palindrome (4644698964464).

The spelling of 1603264341403 in words is "one trillion, six hundred three billion, two hundred sixty-four million, three hundred forty-one thousand, four hundred three".