2015149293479 has 16 divisors (see below), whose sum is σ = 2404841387520. Its totient is φ = 1651015729440.

The previous prime is 2015149293467. The next prime is 2015149293511. The reversal of 2015149293479 is 9743929415102.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2015149293479 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 (2015149293419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4149377 + ... + 4609514.

It is an arithmetic number, because the mean of its divisors is an integer number (150302586720).

Almost surely, 2^{2015149293479} is an apocalyptic number.

2015149293479 is a deficient number, since it is larger than the sum of its proper divisors (389692094041).

2015149293479 is a wasteful number, since it uses less digits than its factorization.

2015149293479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760350.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The spelling of 2015149293479 in words is "two trillion, fifteen billion, one hundred forty-nine million, two hundred ninety-three thousand, four hundred seventy-nine".