472457813761769 has 6 divisors (see below), whose sum is σ = 519313134134970. Its totient is φ = 429507103419680.

The previous prime is 472457813761657. The next prime is 472457813761793. The reversal of 472457813761769 is 967167318754274.

It can be written as a sum of positive squares in only one way, i.e., 432399294289369 + 40058519472400 = 20794213^2 + 6329180^2 .

It is a de Polignac number, because none of the positive numbers 2^k-472457813761769 is a prime.

It is a super-2 number, since 2×472457813761769² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472457813761769.

It is not an unprimeable number, because it can be changed into a prime (472457813761469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1952305015424 + ... + 1952305015665.

It is an arithmetic number, because the mean of its divisors is an integer number (86552189022495).

Almost surely, 2^{472457813761769} is an apocalyptic number.

It is an amenable number.

472457813761769 is a deficient number, since it is larger than the sum of its proper divisors (46855320373201).

472457813761769 is a wasteful number, since it uses less digits than its factorization.

472457813761769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904610031111 (or 3904610031100 counting only the distinct ones).

The product of its digits is 2987228160, while the sum is 77.

The spelling of 472457813761769 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred thirteen million, seven hundred sixty-one thousand, seven hundred sixty-nine".