47036206991 has 2 divisors, whose sum is σ = 47036206992. Its totient is φ = 47036206990.

The previous prime is 47036206963. The next prime is 47036207033. The reversal of 47036206991 is 19960263074.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47036206991 - 2⁶ = 47036206927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47036206891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23518103495 + 23518103496.

It is an arithmetic number, because the mean of its divisors is an integer number (23518103496).

Almost surely, 2^47036206991 is an apocalyptic number.

47036206991 is a deficient number, since it is larger than the sum of its proper divisors (1).

47036206991 is an equidigital number, since it uses as much as digits as its factorization.

47036206991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 47036206991 in words is "forty-seven billion, thirty-six million, two hundred six thousand, nine hundred ninety-one".