1530673399 has 2 divisors, whose sum is σ = 1530673400. Its totient is φ = 1530673398.

The previous prime is 1530673373. The next prime is 1530673411. The reversal of 1530673399 is 9933760351.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1530673399 - 2⁵ = 1530673367 is a prime.

It is a super-2 number, since 2×1530673399² = 4685922108812426402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530674399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765336699 + 765336700.

It is an arithmetic number, because the mean of its divisors is an integer number (765336700).

Almost surely, 2^1530673399 is an apocalyptic number.

1530673399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530673399 is an equidigital number, since it uses as much as digits as its factorization.

1530673399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 459270, while the sum is 46.

The square root of 1530673399 is about 39123.8213752184. The cubic root of 1530673399 is about 1152.4643809916.

The spelling of 1530673399 in words is "one billion, five hundred thirty million, six hundred seventy-three thousand, three hundred ninety-nine".