49006623509 has 2 divisors, whose sum is σ = 49006623510. Its totient is φ = 49006623508.

The previous prime is 49006623467. The next prime is 49006623511. The reversal of 49006623509 is 90532660094.

49006623509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43463076484 + 5543547025 = 208478^2 + 74455^2 .

It is a cyclic number.

It is not a de Polignac number, because 49006623509 - 2¹² = 49006619413 is a prime.

Together with 49006623511, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49006623509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49006623529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24503311754 + 24503311755.

It is an arithmetic number, because the mean of its divisors is an integer number (24503311755).

Almost surely, 2^49006623509 is an apocalyptic number.

It is an amenable number.

49006623509 is a deficient number, since it is larger than the sum of its proper divisors (1).

49006623509 is an equidigital number, since it uses as much as digits as its factorization.

49006623509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 49006623509 in words is "forty-nine billion, six million, six hundred twenty-three thousand, five hundred nine".