475781884349 has 8 divisors (see below), whose sum is σ = 476305699968. Its totient is φ = 475258183920.

The previous prime is 475781884301. The next prime is 475781884363. The reversal of 475781884349 is 943488187574.

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-475781884349 is a prime.

It is a super-2 number, since 2×475781884349² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475781884649) 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, 10193864 + ... + 10240430.

It is an arithmetic number, because the mean of its divisors is an integer number (59538212496).

Almost surely, 2^475781884349 is an apocalyptic number.

It is an amenable number.

475781884349 is a deficient number, since it is larger than the sum of its proper divisors (523815619).

475781884349 is a wasteful number, since it uses less digits than its factorization.

475781884349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57595.

The product of its digits is 216760320, while the sum is 68.

The spelling of 475781884349 in words is "four hundred seventy-five billion, seven hundred eighty-one million, eight hundred eighty-four thousand, three hundred forty-nine".