213486417547 has 8 divisors (see below), whose sum is σ = 233339920016. Its totient is φ = 194123125152.

The previous prime is 213486417509. The next prime is 213486417553. The reversal of 213486417547 is 745714684312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213486417547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213486417494 and 213486417503.

It is not an unprimeable number, because it can be changed into a prime (213486417847) 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, 122551608 + ... + 122553349.

It is an arithmetic number, because the mean of its divisors is an integer number (29167490002).

Almost surely, 2^213486417547 is an apocalyptic number.

213486417547 is a deficient number, since it is larger than the sum of its proper divisors (19853502469).

213486417547 is a wasteful number, since it uses less digits than its factorization.

213486417547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245105037.

The product of its digits is 4515840, while the sum is 52.

The spelling of 213486417547 in words is "two hundred thirteen billion, four hundred eighty-six million, four hundred seventeen thousand, five hundred forty-seven".