1430998073 has 2 divisors, whose sum is σ = 1430998074. Its totient is φ = 1430998072.

The previous prime is 1430998043. The next prime is 1430998111. The reversal of 1430998073 is 3708990341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1346302864 + 84695209 = 36692^2 + 9203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430998073 - 2¹⁴ = 1430981689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1430998033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715499036 + 715499037.

It is an arithmetic number, because the mean of its divisors is an integer number (715499037).

Almost surely, 2^1430998073 is an apocalyptic number.

It is an amenable number.

1430998073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430998073 is an equidigital number, since it uses as much as digits as its factorization.

1430998073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1430998073 is about 37828.5351685735. The cubic root of 1430998073 is about 1126.8852204406.

The spelling of 1430998073 in words is "one billion, four hundred thirty million, nine hundred ninety-eight thousand, seventy-three".