49906770895 has 4 divisors (see below), whose sum is σ = 59888125080. Its totient is φ = 39925416712.

The previous prime is 49906770889. The next prime is 49906770913. The reversal of 49906770895 is 59807760994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49906770895 - 2³ = 49906770887 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4990677085 + ... + 4990677094.

It is an arithmetic number, because the mean of its divisors is an integer number (14972031270).

Almost surely, 2^49906770895 is an apocalyptic number.

49906770895 is a deficient number, since it is larger than the sum of its proper divisors (9981354185).

49906770895 is an equidigital number, since it uses as much as digits as its factorization.

49906770895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981354184.

The product of its (nonzero) digits is 34292160, while the sum is 64.

Subtracting 49906770895 from its reverse (59807760994), we obtain a palindrome (9900990099).

The spelling of 49906770895 in words is "forty-nine billion, nine hundred six million, seven hundred seventy thousand, eight hundred ninety-five".