513634051402643 has 8 divisors (see below), whose sum is σ = 531904362544656. Its totient is φ = 495681484802400.

The previous prime is 513634051402631. The next prime is 513634051402663. The reversal of 513634051402643 is 346204150436315.

It is a happy number.

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 513634051402643 - 2¹⁶ = 513634051337107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513634051402603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79436132153 + ... + 79436138618.

It is an arithmetic number, because the mean of its divisors is an integer number (66488045318082).

Almost surely, 2^{513634051402643} is an apocalyptic number.

513634051402643 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

513634051402643 is a deficient number, since it is larger than the sum of its proper divisors (18270311142013).

513634051402643 is a wasteful number, since it uses less digits than its factorization.

513634051402643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158872270885.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 513634051402643 in words is "five hundred thirteen trillion, six hundred thirty-four billion, fifty-one million, four hundred two thousand, six hundred forty-three".