4087309439999 has 4 divisors (see below), whose sum is σ = 4089284942040. Its totient is φ = 4085333937960.

The previous prime is 4087309439957. The next prime is 4087309440029. The reversal of 4087309439999 is 9999349037804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4087309439999 is a prime.

It is a super-2 number, since 2×4087309439999² (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 (4087309436999) 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, 987747917 + ... + 987752054.

It is an arithmetic number, because the mean of its divisors is an integer number (1022321235510).

Almost surely, 2^{4087309439999} is an apocalyptic number.

4087309439999 is a deficient number, since it is larger than the sum of its proper divisors (1975502041).

4087309439999 is a wasteful number, since it uses less digits than its factorization.

4087309439999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975502040.

The product of its (nonzero) digits is 476171136, while the sum is 74.

The spelling of 4087309439999 in words is "four trillion, eighty-seven billion, three hundred nine million, four hundred thirty-nine thousand, nine hundred ninety-nine".