15674950849 has 6 divisors (see below), whose sum is σ = 15704107314. Its totient is φ = 15645805200.

The previous prime is 15674950829. The next prime is 15674950859. The reversal of 15674950849 is 94805947651.

It can be written as a sum of positive squares in only one way, i.e., 15022914624 + 652036225 = 122568^2 + 25535^2 .

It is not a de Polignac number, because 15674950849 - 2⁹ = 15674950337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15674950793 and 15674950802.

It is not an unprimeable number, because it can be changed into a prime (15674950829) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3066754 + ... + 3071860.

It is an arithmetic number, because the mean of its divisors is an integer number (2617351219).

Almost surely, 2^15674950849 is an apocalyptic number.

It is an amenable number.

15674950849 is a deficient number, since it is larger than the sum of its proper divisors (29156465).

15674950849 is an frugal number, since it uses more digits than its factorization.

15674950849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10815 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 15674950849 in words is "fifteen billion, six hundred seventy-four million, nine hundred fifty thousand, eight hundred forty-nine".