1003429991 has 2 divisors, whose sum is σ = 1003429992. Its totient is φ = 1003429990.

The previous prime is 1003429937. The next prime is 1003430003. The reversal of 1003429991 is 1999243001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003429991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003429291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501714995 + 501714996.

It is an arithmetic number, because the mean of its divisors is an integer number (501714996).

Almost surely, 2^1003429991 is an apocalyptic number.

1003429991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003429991 is an equidigital number, since it uses as much as digits as its factorization.

1003429991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1003429991 is about 31676.9630962313. The cubic root of 1003429991 is about 1001.1420256143.

The spelling of 1003429991 in words is "one billion, three million, four hundred twenty-nine thousand, nine hundred ninety-one".