2663707308239 has 4 divisors (see below), whose sum is σ = 2663733514056. Its totient is φ = 2663681102424.

The previous prime is 2663707308217. The next prime is 2663707308271. The reversal of 2663707308239 is 9328037073662.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2663707308239 - 2¹² = 2663707304143 is a prime.

It is a super-2 number, since 2×2663707308239² (a number of 26 digits) 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 (2663707308289) 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, 12949844 + ... + 13153929.

It is an arithmetic number, because the mean of its divisors is an integer number (665933378514).

Almost surely, 2^{2663707308239} is an apocalyptic number.

2663707308239 is a deficient number, since it is larger than the sum of its proper divisors (26205817).

2663707308239 is a wasteful number, since it uses less digits than its factorization.

2663707308239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26205816.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 2663707308239 in words is "two trillion, six hundred sixty-three billion, seven hundred seven million, three hundred eight thousand, two hundred thirty-nine".