2439514657 has 16 divisors (see below), whose sum is σ = 2536293760. Its totient is φ = 2344712832.

The previous prime is 2439514643. The next prime is 2439514667. The reversal of 2439514657 is 7564159342.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2439514657 - 2¹⁹ = 2438990369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2439514607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2281519 + ... + 2282587.

It is an arithmetic number, because the mean of its divisors is an integer number (158518360).

Almost surely, 2^2439514657 is an apocalyptic number.

It is an amenable number.

2439514657 is a deficient number, since it is larger than the sum of its proper divisors (96779103).

2439514657 is a wasteful number, since it uses less digits than its factorization.

2439514657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912.

The product of its digits is 907200, while the sum is 46.

The square root of 2439514657 is about 49391.4431556722. The cubic root of 2439514657 is about 1346.1738313248.

The spelling of 2439514657 in words is "two billion, four hundred thirty-nine million, five hundred fourteen thousand, six hundred fifty-seven".