513908247347 has 8 divisors (see below), whose sum is σ = 560648884080. Its totient is φ = 467171228160.

The previous prime is 513908247331. The next prime is 513908247353. The reversal of 513908247347 is 743742809315.

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 513908247347 - 2⁴ = 513908247331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513908247547) 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, 602978 + ... + 1179575.

It is an arithmetic number, because the mean of its divisors is an integer number (70081110510).

Almost surely, 2^513908247347 is an apocalyptic number.

513908247347 is a deficient number, since it is larger than the sum of its proper divisors (46740636733).

513908247347 is a wasteful number, since it uses less digits than its factorization.

513908247347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1808773.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 513908247347 in words is "five hundred thirteen billion, nine hundred eight million, two hundred forty-seven thousand, three hundred forty-seven".