2051479615 has 16 divisors (see below), whose sum is σ = 2535675552. Its totient is φ = 1592175744.

The previous prime is 2051479613. The next prime is 2051479667. The reversal of 2051479615 is 5169741502.

It is a cyclic number.

It is not a de Polignac number, because 2051479615 - 2¹ = 2051479613 is a prime.

It is a super-2 number, since 2×2051479615² = 8417137221521096450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051479613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48217 + ... + 80173.

It is an arithmetic number, because the mean of its divisors is an integer number (158479722).

Almost surely, 2^2051479615 is an apocalyptic number.

2051479615 is a deficient number, since it is larger than the sum of its proper divisors (484195937).

2051479615 is a wasteful number, since it uses less digits than its factorization.

2051479615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32346.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 2051479615 is about 45293.2623576620. The cubic root of 2051479615 is about 1270.6396461627.

The spelling of 2051479615 in words is "two billion, fifty-one million, four hundred seventy-nine thousand, six hundred fifteen".