49543546697 has 2 divisors, whose sum is σ = 49543546698. Its totient is φ = 49543546696.

The previous prime is 49543546673. The next prime is 49543546699. The reversal of 49543546697 is 79664534594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44479231801 + 5064314896 = 210901^2 + 71164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49543546697 is a prime.

Together with 49543546699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49543546699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24771773348 + 24771773349.

It is an arithmetic number, because the mean of its divisors is an integer number (24771773349).

Almost surely, 2^49543546697 is an apocalyptic number.

It is an amenable number.

49543546697 is a deficient number, since it is larger than the sum of its proper divisors (1).

49543546697 is an equidigital number, since it uses as much as digits as its factorization.

49543546697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97977600, while the sum is 62.

The spelling of 49543546697 in words is "forty-nine billion, five hundred forty-three million, five hundred forty-six thousand, six hundred ninety-seven".