2539340979 has 8 divisors (see below), whose sum is σ = 3869472000. Its totient is φ = 1451051976.

The previous prime is 2539340971. The next prime is 2539341011. The reversal of 2539340979 is 9790439352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2539340979 - 2³ = 2539340971 is a prime.

It is a super-3 number, since 3×2539340979³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2539340971) 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 7 ways as a sum of consecutive naturals, for example, 60460479 + ... + 60460520.

It is an arithmetic number, because the mean of its divisors is an integer number (483684000).

Almost surely, 2^2539340979 is an apocalyptic number.

2539340979 is a deficient number, since it is larger than the sum of its proper divisors (1330131021).

2539340979 is a wasteful number, since it uses less digits than its factorization.

2539340979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120921009.

The product of its (nonzero) digits is 1837080, while the sum is 51.

The square root of 2539340979 is about 50391.8741366106. The cubic root of 2539340979 is about 1364.2909776952.

The spelling of 2539340979 in words is "two billion, five hundred thirty-nine million, three hundred forty thousand, nine hundred seventy-nine".