1559149049 has 4 divisors (see below), whose sum is σ = 1560619620. Its totient is φ = 1557678480.

The previous prime is 1559149043. The next prime is 1559149073. The reversal of 1559149049 is 9409419551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 480486400 + 1078662649 = 21920^2 + 32843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1559149049 - 2⁸ = 1559148793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1559148994 and 1559149012.

It is not an unprimeable number, because it can be changed into a prime (1559149043) 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, 733694 + ... + 735815.

It is an arithmetic number, because the mean of its divisors is an integer number (390154905).

Almost surely, 2^1559149049 is an apocalyptic number.

It is an amenable number.

1559149049 is a deficient number, since it is larger than the sum of its proper divisors (1470571).

1559149049 is a wasteful number, since it uses less digits than its factorization.

1559149049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470570.

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 1559149049 is about 39486.0614521124. The cubic root of 1559149049 is about 1159.5670820617.

The spelling of 1559149049 in words is "one billion, five hundred fifty-nine million, one hundred forty-nine thousand, forty-nine".