47497294591 has 2 divisors, whose sum is σ = 47497294592. Its totient is φ = 47497294590.

The previous prime is 47497294589. The next prime is 47497294631. The reversal of 47497294591 is 19549279474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47497294591 - 2¹ = 47497294589 is a prime.

Together with 47497294589, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47497294511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23748647295 + 23748647296.

It is an arithmetic number, because the mean of its divisors is an integer number (23748647296).

Almost surely, 2^47497294591 is an apocalyptic number.

47497294591 is a deficient number, since it is larger than the sum of its proper divisors (1).

47497294591 is an equidigital number, since it uses as much as digits as its factorization.

47497294591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 61.

The spelling of 47497294591 in words is "forty-seven billion, four hundred ninety-seven million, two hundred ninety-four thousand, five hundred ninety-one".