49496709897 has 6 divisors (see below), whose sum is σ = 71495247642. Its totient is φ = 32997806592.

The previous prime is 49496709877. The next prime is 49496709919. The reversal of 49496709897 is 79890769494.

49496709897 is a `hidden beast` number, since 49 + 496 + 7 + 0 + 9 + 8 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48689070336 + 807639561 = 220656^2 + 28419^2 .

It is not a de Polignac number, because 49496709897 - 2⁸ = 49496709641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49496709817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2749817208 + ... + 2749817225.

It is an arithmetic number, because the mean of its divisors is an integer number (11915874607).

Almost surely, 2^49496709897 is an apocalyptic number.

It is an amenable number.

49496709897 is a deficient number, since it is larger than the sum of its proper divisors (21998537745).

49496709897 is a wasteful number, since it uses less digits than its factorization.

49496709897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499634439 (or 5499634436 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 49496709897 in words is "forty-nine billion, four hundred ninety-six million, seven hundred nine thousand, eight hundred ninety-seven".