15049148329 has 4 divisors (see below), whose sum is σ = 15187214020. Its totient is φ = 14911082640.

The previous prime is 15049148327. The next prime is 15049148347. The reversal of 15049148329 is 92384194051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92384194051 = 78781 ⋅1172671.

It can be written as a sum of positive squares in 2 ways, for example, as 7322738329 + 7726410000 = 85573^2 + 87900^2 .

It is a cyclic number.

It is not a de Polignac number, because 15049148329 - 2¹ = 15049148327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15049148327) 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, 69032682 + ... + 69032899.

It is an arithmetic number, because the mean of its divisors is an integer number (3796803505).

Almost surely, 2^15049148329 is an apocalyptic number.

It is an amenable number.

15049148329 is a deficient number, since it is larger than the sum of its proper divisors (138065691).

15049148329 is a wasteful number, since it uses less digits than its factorization.

15049148329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138065690.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 15049148329 in words is "fifteen billion, forty-nine million, one hundred forty-eight thousand, three hundred twenty-nine".