513320145441445 has 24 divisors (see below), whose sum is σ = 620617208529024. Its totient is φ = 407590314907776.

The previous prime is 513320145441421. The next prime is 513320145441469. The reversal of 513320145441445 is 544144541023315.

It is an interprime number because it is at equal distance from previous prime (513320145441421) and next prime (513320145441469).

It is not a de Polignac number, because 513320145441445 - 2¹⁹ = 513320144917157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513320145441395 and 513320145441404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 563271624 + ... + 564182206.

It is an arithmetic number, because the mean of its divisors is an integer number (25859050355376).

Almost surely, 2^{513320145441445} is an apocalyptic number.

It is an amenable number.

513320145441445 is a deficient number, since it is larger than the sum of its proper divisors (107297063087579).

513320145441445 is an equidigital number, since it uses as much as digits as its factorization.

513320145441445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916869 (or 916732 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 46.

The spelling of 513320145441445 in words is "five hundred thirteen trillion, three hundred twenty billion, one hundred forty-five million, four hundred forty-one thousand, four hundred forty-five".