472452151949 has 4 divisors (see below), whose sum is σ = 472509130236. Its totient is φ = 472395173664.

The previous prime is 472452151943. The next prime is 472452151961. The reversal of 472452151949 is 949151254274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 315254175625 + 157197976324 = 561475^2 + 396482^2 .

It is a cyclic number.

It is not a de Polignac number, because 472452151949 - 2¹⁶ = 472452086413 is a prime.

It is a super-2 number, since 2×472452151949² (a number of 24 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 472452151949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472452151943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28476704 + ... + 28493289.

It is an arithmetic number, because the mean of its divisors is an integer number (118127282559).

Almost surely, 2^472452151949 is an apocalyptic number.

It is an amenable number.

472452151949 is a deficient number, since it is larger than the sum of its proper divisors (56978287).

472452151949 is an equidigital number, since it uses as much as digits as its factorization.

472452151949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56978286.

The product of its digits is 3628800, while the sum is 53.

The spelling of 472452151949 in words is "four hundred seventy-two billion, four hundred fifty-two million, one hundred fifty-one thousand, nine hundred forty-nine".