472644688490357 has 2 divisors, whose sum is σ = 472644688490358. Its totient is φ = 472644688490356.

The previous prime is 472644688490329. The next prime is 472644688490411. The reversal of 472644688490357 is 753094886446274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354347719663876 + 118296968826481 = 18824126^2 + 10876441^2 .

It is a cyclic number.

It is not a de Polignac number, because 472644688490357 - 2¹⁴ = 472644688473973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472644618490357) 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, 236322344245178 + 236322344245179.

It is an arithmetic number, because the mean of its divisors is an integer number (236322344245179).

Almost surely, 2^{472644688490357} is an apocalyptic number.

It is an amenable number.

472644688490357 is a deficient number, since it is larger than the sum of its proper divisors (1).

472644688490357 is an equidigital number, since it uses as much as digits as its factorization.

472644688490357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7803371520, while the sum is 77.

The spelling of 472644688490357 in words is "four hundred seventy-two trillion, six hundred forty-four billion, six hundred eighty-eight million, four hundred ninety thousand, three hundred fifty-seven".