47661630293 has 2 divisors, whose sum is σ = 47661630294. Its totient is φ = 47661630292.

The previous prime is 47661630251. The next prime is 47661630343. The reversal of 47661630293 is 39203616674.

47661630293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41054053924 + 6607576369 = 202618^2 + 81287^2 .

It is a cyclic number.

It is not a de Polignac number, because 47661630293 - 2²⁸ = 47393194837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47661633293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23830815146 + 23830815147.

It is an arithmetic number, because the mean of its divisors is an integer number (23830815147).

Almost surely, 2^47661630293 is an apocalyptic number.

It is an amenable number.

47661630293 is a deficient number, since it is larger than the sum of its proper divisors (1).

47661630293 is an equidigital number, since it uses as much as digits as its factorization.

47661630293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 47661630293 in words is "forty-seven billion, six hundred sixty-one million, six hundred thirty thousand, two hundred ninety-three".