472120937281 has 12 divisors (see below), whose sum is σ = 549305890308. Its totient is φ = 404598469632.

The previous prime is 472120937273. The next prime is 472120937291. The reversal of 472120937281 is 182739021274.

It can be written as a sum of positive squares in 2 ways, for example, as 313505927056 + 158615010225 = 559916^2 + 398265^2 .

It is not a de Polignac number, because 472120937281 - 2³ = 472120937273 is a prime.

It is a super-2 number, since 2×472120937281² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (472120937221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649936 + ... + 1169041.

It is an arithmetic number, because the mean of its divisors is an integer number (45775490859).

Almost surely, 2^472120937281 is an apocalyptic number.

It is an amenable number.

472120937281 is a deficient number, since it is larger than the sum of its proper divisors (77184953027).

472120937281 is a wasteful number, since it uses less digits than its factorization.

472120937281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824288 (or 1824281 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 472120937281 in words is "four hundred seventy-two billion, one hundred twenty million, nine hundred thirty-seven thousand, two hundred eighty-one".