472455520783665 has 32 divisors (see below), whose sum is σ = 761893782552576. Its totient is φ = 249988027746240.

The previous prime is 472455520783607. The next prime is 472455520783721. The reversal of 472455520783665 is 566387025554274.

It is a happy number.

It is not a de Polignac number, because 472455520783665 - 2⁸ = 472455520783409 is a prime.

It is a super-2 number, since 2×472455520783665² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 472455520783665.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113441320 + ... + 117532310.

It is an arithmetic number, because the mean of its divisors is an integer number (23809180704768).

Almost surely, 2^{472455520783665} is an apocalyptic number.

It is an amenable number.

472455520783665 is a deficient number, since it is larger than the sum of its proper divisors (289438261768911).

472455520783665 is a wasteful number, since it uses less digits than its factorization.

472455520783665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151749.

The product of its (nonzero) digits is 1693440000, while the sum is 69.

The spelling of 472455520783665 in words is "four hundred seventy-two trillion, four hundred fifty-five billion, five hundred twenty million, seven hundred eighty-three thousand, six hundred sixty-five".