47445654469 has 2 divisors, whose sum is σ = 47445654470. Its totient is φ = 47445654468.

The previous prime is 47445654457. The next prime is 47445654491. The reversal of 47445654469 is 96445654474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31359805569 + 16085848900 = 177087^2 + 126830^2 .

It is a cyclic number.

It is not a de Polignac number, because 47445654469 - 2⁵ = 47445654437 is a prime.

It is a super-3 number, since 3×47445654469³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47445654419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23722827234 + 23722827235.

It is an arithmetic number, because the mean of its divisors is an integer number (23722827235).

Almost surely, 2^47445654469 is an apocalyptic number.

It is an amenable number.

47445654469 is a deficient number, since it is larger than the sum of its proper divisors (1).

47445654469 is an equidigital number, since it uses as much as digits as its factorization.

47445654469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 58.

The spelling of 47445654469 in words is "forty-seven billion, four hundred forty-five million, six hundred fifty-four thousand, four hundred sixty-nine".