1530673373 has 2 divisors, whose sum is σ = 1530673374. Its totient is φ = 1530673372.

The previous prime is 1530673367. The next prime is 1530673399. The reversal of 1530673373 is 3733760351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823804804 + 706868569 = 28702^2 + 26587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1530673373 - 2²² = 1526479069 is a prime.

It is a super-2 number, since 2×1530673373² = 4685921949622394258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1530673363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765336686 + 765336687.

It is an arithmetic number, because the mean of its divisors is an integer number (765336687).

Almost surely, 2^1530673373 is an apocalyptic number.

It is an amenable number.

1530673373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530673373 is an equidigital number, since it uses as much as digits as its factorization.

1530673373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119070, while the sum is 38.

The square root of 1530673373 is about 39123.8210429401. The cubic root of 1530673373 is about 1152.4643744664.

The spelling of 1530673373 in words is "one billion, five hundred thirty million, six hundred seventy-three thousand, three hundred seventy-three".