47535340397 has 2 divisors, whose sum is σ = 47535340398. Its totient is φ = 47535340396.

The previous prime is 47535340339. The next prime is 47535340417. The reversal of 47535340397 is 79304353574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47535336676 + 3721 = 218026^2 + 61^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47535340397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47535348397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23767670198 + 23767670199.

It is an arithmetic number, because the mean of its divisors is an integer number (23767670199).

Almost surely, 2^47535340397 is an apocalyptic number.

It is an amenable number.

47535340397 is a deficient number, since it is larger than the sum of its proper divisors (1).

47535340397 is an equidigital number, since it uses as much as digits as its factorization.

47535340397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 47535340397 in words is "forty-seven billion, five hundred thirty-five million, three hundred forty thousand, three hundred ninety-seven".