1550636013 has 8 divisors (see below), whose sum is σ = 2071660000. Its totient is φ = 1031684688.

The previous prime is 1550635991. The next prime is 1550636039. The reversal of 1550636013 is 3106360551.

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

It is not a de Polignac number, because 1550636013 - 2⁵ = 1550635981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550636513) 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 in 7 ways as a sum of consecutive naturals, for example, 516418 + ... + 519411.

It is an arithmetic number, because the mean of its divisors is an integer number (258957500).

Almost surely, 2^1550636013 is an apocalyptic number.

It is an amenable number.

1550636013 is a deficient number, since it is larger than the sum of its proper divisors (521023987).

1550636013 is a wasteful number, since it uses less digits than its factorization.

1550636013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036331.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 1550636013 is about 39378.1159148073. The cubic root of 1550636013 is about 1157.4527968784.

Adding to 1550636013 its reverse (3106360551), we get a palindrome (4656996564).

The spelling of 1550636013 in words is "one billion, five hundred fifty million, six hundred thirty-six thousand, thirteen".