1040430551999 has 2 divisors, whose sum is σ = 1040430552000. Its totient is φ = 1040430551998.

The previous prime is 1040430551929. The next prime is 1040430552059. The reversal of 1040430551999 is 9991550340401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040430551999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040430551929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520215275999 + 520215276000.

It is an arithmetic number, because the mean of its divisors is an integer number (520215276000).

Almost surely, 2^{1040430551999} is an apocalyptic number.

1040430551999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040430551999 is an equidigital number, since it uses as much as digits as its factorization.

1040430551999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 1040430551999 in words is "one trillion, forty billion, four hundred thirty million, five hundred fifty-one thousand, nine hundred ninety-nine".