1529247049 has 4 divisors (see below), whose sum is σ = 1668269520. Its totient is φ = 1390224580.

The previous prime is 1529247011. The next prime is 1529247059. The reversal of 1529247049 is 9407429251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1529247049 - 2⁷ = 1529246921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1529246996 and 1529247014.

It is not an unprimeable number, because it can be changed into a prime (1529247059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69511219 + ... + 69511240.

It is an arithmetic number, because the mean of its divisors is an integer number (417067380).

Almost surely, 2^1529247049 is an apocalyptic number.

It is an amenable number.

1529247049 is a deficient number, since it is larger than the sum of its proper divisors (139022471).

1529247049 is a wasteful number, since it uses less digits than its factorization.

1529247049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139022470.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1529247049 is about 39105.5884625203. The cubic root of 1529247049 is about 1152.1062971074.

The spelling of 1529247049 in words is "one billion, five hundred twenty-nine million, two hundred forty-seven thousand, forty-nine".