472138554769 has 16 divisors (see below), whose sum is σ = 540639525888. Its totient is φ = 403901102592.

The previous prime is 472138554739. The next prime is 472138554829. The reversal of 472138554769 is 967455831274.

It is a cyclic number.

It is not a de Polignac number, because 472138554769 - 2⁹ = 472138554257 is a prime.

It is a super-2 number, since 2×472138554769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472138554739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18446709 + ... + 18472285.

It is an arithmetic number, because the mean of its divisors is an integer number (33789970368).

Almost surely, 2^472138554769 is an apocalyptic number.

It is an amenable number.

472138554769 is a deficient number, since it is larger than the sum of its proper divisors (68500971119).

472138554769 is a wasteful number, since it uses less digits than its factorization.

472138554769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30624.

The product of its digits is 50803200, while the sum is 61.

The spelling of 472138554769 in words is "four hundred seventy-two billion, one hundred thirty-eight million, five hundred fifty-four thousand, seven hundred sixty-nine".