905152173447 has 16 divisors (see below), whose sum is σ = 1207978168320. Its totient is φ = 602880736512.

The previous prime is 905152173413. The next prime is 905152173461. The reversal of 905152173447 is 744371251509.

It is not a de Polignac number, because 905152173447 - 2¹⁰ = 905152172423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 905152173396 and 905152173405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (905152173467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15197508 + ... + 15256950.

It is an arithmetic number, because the mean of its divisors is an integer number (75498635520).

Almost surely, 2^905152173447 is an apocalyptic number.

905152173447 is a deficient number, since it is larger than the sum of its proper divisors (302825994873).

905152173447 is a wasteful number, since it uses less digits than its factorization.

905152173447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64022.

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 905152173447 in words is "nine hundred five billion, one hundred fifty-two million, one hundred seventy-three thousand, four hundred forty-seven".