472743537481261 has 2 divisors, whose sum is σ = 472743537481262. Its totient is φ = 472743537481260.

The previous prime is 472743537481249. The next prime is 472743537481277. The reversal of 472743537481261 is 162184735347274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471676128227236 + 1067409254025 = 21718106^2 + 1033155^2 .

It is a cyclic number.

It is not a de Polignac number, because 472743537481261 - 2⁷ = 472743537481133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 472743537481193 and 472743537481202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472743537482261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236371768740630 + 236371768740631.

It is an arithmetic number, because the mean of its divisors is an integer number (236371768740631).

Almost surely, 2^{472743537481261} is an apocalyptic number.

It is an amenable number.

472743537481261 is a deficient number, since it is larger than the sum of its proper divisors (1).

472743537481261 is an equidigital number, since it uses as much as digits as its factorization.

472743537481261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189665280, while the sum is 64.

The spelling of 472743537481261 in words is "four hundred seventy-two trillion, seven hundred forty-three billion, five hundred thirty-seven million, four hundred eighty-one thousand, two hundred sixty-one".