513380341693 has 8 divisors (see below), whose sum is σ = 543700573560. Its totient is φ = 483073597440.

The previous prime is 513380341651. The next prime is 513380341711. The reversal of 513380341693 is 396143083315.

It can be written as a sum of positive squares in 4 ways, for example, as 156204381529 + 357175960164 = 395227^2 + 597642^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 513380341693 - 2²¹ = 513378244541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513380341603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293478 + ... + 3445831.

It is an arithmetic number, because the mean of its divisors is an integer number (67962571695).

Almost surely, 2^513380341693 is an apocalyptic number.

It is an amenable number.

513380341693 is a deficient number, since it is larger than the sum of its proper divisors (30320231867).

513380341693 is a wasteful number, since it uses less digits than its factorization.

513380341693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743807.

The product of its (nonzero) digits is 699840, while the sum is 46.

It can be divided in two parts, 5133 and 80341693, that added together give a triangular number (80346826 = T₁₂₆₇₆).

The spelling of 513380341693 in words is "five hundred thirteen billion, three hundred eighty million, three hundred forty-one thousand, six hundred ninety-three".