49906770897 has 16 divisors (see below), whose sum is σ = 68130233600. Its totient is φ = 32478162192.

The previous prime is 49906770889. The next prime is 49906770913. The reversal of 49906770897 is 79807760994.

It is not a de Polignac number, because 49906770897 - 2³ = 49906770889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49906770887) 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, 105318 + ... + 333024.

It is an arithmetic number, because the mean of its divisors is an integer number (4258139600).

Almost surely, 2^49906770897 is an apocalyptic number.

It is an amenable number.

49906770897 is a deficient number, since it is larger than the sum of its proper divisors (18223462703).

49906770897 is a wasteful number, since it uses less digits than its factorization.

49906770897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229452.

The product of its (nonzero) digits is 48009024, while the sum is 66.

The spelling of 49906770897 in words is "forty-nine billion, nine hundred six million, seven hundred seventy thousand, eight hundred ninety-seven".