999130461437 has 2 divisors, whose sum is σ = 999130461438. Its totient is φ = 999130461436.

The previous prime is 999130461403. The next prime is 999130461451. The reversal of 999130461437 is 734164031999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998572509796 + 557951641 = 999286^2 + 23621^2 .

It is a cyclic number.

It is not a de Polignac number, because 999130461437 - 2²⁰ = 999129412861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999130461137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499565230718 + 499565230719.

It is an arithmetic number, because the mean of its divisors is an integer number (499565230719).

Almost surely, 2^999130461437 is an apocalyptic number.

It is an amenable number.

999130461437 is a deficient number, since it is larger than the sum of its proper divisors (1).

999130461437 is an equidigital number, since it uses as much as digits as its factorization.

999130461437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 999130461437 in words is "nine hundred ninety-nine billion, one hundred thirty million, four hundred sixty-one thousand, four hundred thirty-seven".