15036449906 has 16 divisors (see below), whose sum is σ = 23601328344. Its totient is φ = 7177008384.

The previous prime is 15036449899. The next prime is 15036449947. The reversal of 15036449906 is 60994463051.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14894005681 + 142444225 = 122041^2 + 11935^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1913015 + ... + 1920858.

Almost surely, 2^15036449906 is an apocalyptic number.

15036449906 is a deficient number, since it is larger than the sum of its proper divisors (8564878438).

15036449906 is a wasteful number, since it uses less digits than its factorization.

15036449906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833965.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 15036449906 in words is "fifteen billion, thirty-six million, four hundred forty-nine thousand, nine hundred six".