47138994653 has 2 divisors, whose sum is σ = 47138994654. Its totient is φ = 47138994652.

The previous prime is 47138994613. The next prime is 47138994673. The reversal of 47138994653 is 35649983174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44555610724 + 2583383929 = 211082^2 + 50827^2 .

It is a cyclic number.

It is not a de Polignac number, because 47138994653 - 2⁶ = 47138994589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47138994592 and 47138994601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47138994613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23569497326 + 23569497327.

It is an arithmetic number, because the mean of its divisors is an integer number (23569497327).

Almost surely, 2^47138994653 is an apocalyptic number.

It is an amenable number.

47138994653 is a deficient number, since it is larger than the sum of its proper divisors (1).

47138994653 is an equidigital number, since it uses as much as digits as its factorization.

47138994653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 59.

The spelling of 47138994653 in words is "forty-seven billion, one hundred thirty-eight million, nine hundred ninety-four thousand, six hundred fifty-three".