513087937039 has 4 divisors (see below), whose sum is σ = 514913873040. Its totient is φ = 511262001040.

The previous prime is 513087937003. The next prime is 513087937049. The reversal of 513087937039 is 930739780315.

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 513087937039 - 2¹¹ = 513087934991 is a prime.

It is a super-2 number, since 2×513087937039² (a number of 24 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 (513087937049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912967579 + ... + 912968140.

It is an arithmetic number, because the mean of its divisors is an integer number (128728468260).

Almost surely, 2^513087937039 is an apocalyptic number.

513087937039 is a deficient number, since it is larger than the sum of its proper divisors (1825936001).

513087937039 is a wasteful number, since it uses less digits than its factorization.

513087937039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825936000.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 513087937039 in words is "five hundred thirteen billion, eighty-seven million, nine hundred thirty-seven thousand, thirty-nine".