15098782249 has 4 divisors (see below), whose sum is σ = 15113014020. Its totient is φ = 15084550480.

The previous prime is 15098782213. The next prime is 15098782267. The reversal of 15098782249 is 94228789051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94228789051 = 331 ⋅284679121.

It can be written as a sum of positive squares in 2 ways, for example, as 10737104400 + 4361677849 = 103620^2 + 66043^2 .

It is a cyclic number.

It is not a de Polignac number, because 15098782249 - 2¹¹ = 15098780201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15098782249.

It is not an unprimeable number, because it can be changed into a prime (15098788249) 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, 7114294 + ... + 7116415.

It is an arithmetic number, because the mean of its divisors is an integer number (3778253505).

Almost surely, 2^15098782249 is an apocalyptic number.

It is an amenable number.

15098782249 is a deficient number, since it is larger than the sum of its proper divisors (14231771).

15098782249 is a wasteful number, since it uses less digits than its factorization.

15098782249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14231770.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 15098782249 in words is "fifteen billion, ninety-eight million, seven hundred eighty-two thousand, two hundred forty-nine".