513424442210545 has 4 divisors (see below), whose sum is σ = 616109330652660. Its totient is φ = 410739553768432.

The previous prime is 513424442210453. The next prime is 513424442210567. The reversal of 513424442210545 is 545012244424315.

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 396468349949169 + 116956092261376 = 19911513^2 + 10814624^2 .

It is a cyclic number.

It is not a de Polignac number, because 513424442210545 - 2⁴⁷ = 372686953855217 is a prime.

It is a super-2 number, since 2×513424442210545² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513424442210495 and 513424442210504.

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, 51342444221050 + ... + 51342444221059.

It is an arithmetic number, because the mean of its divisors is an integer number (154027332663165).

Almost surely, 2^{513424442210545} is an apocalyptic number.

It is an amenable number.

513424442210545 is a deficient number, since it is larger than the sum of its proper divisors (102684888442115).

513424442210545 is a wasteful number, since it uses less digits than its factorization.

513424442210545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102684888442114.

The product of its (nonzero) digits is 3072000, while the sum is 46.

The spelling of 513424442210545 in words is "five hundred thirteen trillion, four hundred twenty-four billion, four hundred forty-two million, two hundred ten thousand, five hundred forty-five".