49505386497 has 16 divisors (see below), whose sum is σ = 78038048640. Its totient is φ = 27313316352.

The previous prime is 49505386471. The next prime is 49505386501. The reversal of 49505386497 is 79468350594.

It is not a de Polignac number, because 49505386497 - 2⁸ = 49505386241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49505386497.

It is not an unprimeable number, because it can be changed into a prime (49505386417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40644208 + ... + 40645425.

It is an arithmetic number, because the mean of its divisors is an integer number (4877378040).

Almost surely, 2^49505386497 is an apocalyptic number.

It is an amenable number.

49505386497 is a deficient number, since it is larger than the sum of its proper divisors (28532662143).

49505386497 is a wasteful number, since it uses less digits than its factorization.

49505386497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81289672.

The product of its (nonzero) digits is 32659200, while the sum is 60.

The spelling of 49505386497 in words is "forty-nine billion, five hundred five million, three hundred eighty-six thousand, four hundred ninety-seven".