513230153465 has 4 divisors (see below), whose sum is σ = 615876184164. Its totient is φ = 410584122768.

The previous prime is 513230153407. The next prime is 513230153489. The reversal of 513230153465 is 564351032315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73805675584 + 439424477881 = 271672^2 + 662891^2 .

It is a cyclic number.

It is not a de Polignac number, because 513230153465 - 2¹⁰ = 513230152441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51323015342 + ... + 51323015351.

It is an arithmetic number, because the mean of its divisors is an integer number (153969046041).

Almost surely, 2^513230153465 is an apocalyptic number.

It is an amenable number.

513230153465 is a deficient number, since it is larger than the sum of its proper divisors (102646030699).

513230153465 is a wasteful number, since it uses less digits than its factorization.

513230153465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102646030698.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 513230153465 in words is "five hundred thirteen billion, two hundred thirty million, one hundred fifty-three thousand, four hundred sixty-five".