471973693 has 2 divisors, whose sum is σ = 471973694. Its totient is φ = 471973692.

The previous prime is 471973687. The next prime is 471973709. The reversal of 471973693 is 396379174.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283652964 + 188320729 = 16842^2 + 13723^2 .

It is a cyclic number.

It is not a de Polignac number, because 471973693 - 2²¹ = 469876541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (471973493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235986846 + 235986847.

It is an arithmetic number, because the mean of its divisors is an integer number (235986847).

Almost surely, 2^471973693 is an apocalyptic number.

It is an amenable number.

471973693 is a deficient number, since it is larger than the sum of its proper divisors (1).

471973693 is an equidigital number, since it uses as much as digits as its factorization.

471973693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 49.

The square root of 471973693 is about 21724.9555350523. The cubic root of 471973693 is about 778.5848177849.

The spelling of 471973693 in words is "four hundred seventy-one million, nine hundred seventy-three thousand, six hundred ninety-three".