1530449999 has 8 divisors (see below), whose sum is σ = 1652485632. Its totient is φ = 1409029920.

The previous prime is 1530449993. The next prime is 1530450001. The reversal of 1530449999 is 9999440351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1530449999 - 2⁸ = 1530449743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1530449999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530449993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148712 + ... + 158669.

It is an arithmetic number, because the mean of its divisors is an integer number (206560704).

Almost surely, 2^1530449999 is an apocalyptic number.

1530449999 is a deficient number, since it is larger than the sum of its proper divisors (122035633).

1530449999 is a wasteful number, since it uses less digits than its factorization.

1530449999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307777.

The product of its (nonzero) digits is 1574640, while the sum is 53.

The square root of 1530449999 is about 39120.9662329549. The cubic root of 1530449999 is about 1152.4083113190.

The spelling of 1530449999 in words is "one billion, five hundred thirty million, four hundred forty-nine thousand, nine hundred ninety-nine".