47195669 has 2 divisors, whose sum is σ = 47195670. Its totient is φ = 47195668.

The previous prime is 47195663. The next prime is 47195699. The reversal of 47195669 is 96659174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 1295044 = 6775^2 + 1138^2 .

It is a cyclic number.

It is not a de Polignac number, because 47195669 - 2⁴ = 47195653 is a prime.

It is a super-2 number, since 2×47195669² = 4454862344715122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47195663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23597834 + 23597835.

It is an arithmetic number, because the mean of its divisors is an integer number (23597835).

Almost surely, 2^47195669 is an apocalyptic number.

It is an amenable number.

47195669 is a deficient number, since it is larger than the sum of its proper divisors (1).

47195669 is an equidigital number, since it uses as much as digits as its factorization.

47195669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 47195669 is about 6869.9104069849. The cubic root of 47195669 is about 361.3827198790.

The spelling of 47195669 in words is "forty-seven million, one hundred ninety-five thousand, six hundred sixty-nine".