513447716451 has 8 divisors (see below), whose sum is σ = 694814820544. Its totient is φ = 337189545000.

The previous prime is 513447716449. The next prime is 513447716473. The reversal of 513447716451 is 154617744315.

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

It is not a de Polignac number, because 513447716451 - 2¹ = 513447716449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513447716451.

It is not an unprimeable number, because it can be changed into a prime (513447716251) 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, 1277232925 + ... + 1277233326.

It is an arithmetic number, because the mean of its divisors is an integer number (86851852568).

Almost surely, 2^513447716451 is an apocalyptic number.

513447716451 is a deficient number, since it is larger than the sum of its proper divisors (181367104093).

513447716451 is a wasteful number, since it uses less digits than its factorization.

513447716451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554466321.

The product of its digits is 1411200, while the sum is 48.

The spelling of 513447716451 in words is "five hundred thirteen billion, four hundred forty-seven million, seven hundred sixteen thousand, four hundred fifty-one".