1043493403 has 2 divisors, whose sum is σ = 1043493404. Its totient is φ = 1043493402.

The previous prime is 1043493401. The next prime is 1043493413. The reversal of 1043493403 is 3043943401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1043493403 - 2¹ = 1043493401 is a prime.

Together with 1043493401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1043493401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521746701 + 521746702.

It is an arithmetic number, because the mean of its divisors is an integer number (521746702).

Almost surely, 2^1043493403 is an apocalyptic number.

1043493403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043493403 is an equidigital number, since it uses as much as digits as its factorization.

1043493403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1043493403 is about 32303.1484997980. The cubic root of 1043493403 is about 1014.2925507791.

The spelling of 1043493403 in words is "one billion, forty-three million, four hundred ninety-three thousand, four hundred three".