49906770890 has 32 divisors (see below), whose sum is σ = 90228554640. Its totient is φ = 19874709504.

The previous prime is 49906770889. The next prime is 49906770913. The reversal of 49906770890 is 9807760994.

It can be written as a sum of positive squares in 8 ways, for example, as 39578317249 + 10328453641 = 198943^2 + 101629^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6660266 + ... + 6667754.

Almost surely, 2^49906770890 is an apocalyptic number.

49906770890 is a deficient number, since it is larger than the sum of its proper divisors (40321783750).

49906770890 is a wasteful number, since it uses less digits than its factorization.

49906770890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The spelling of 49906770890 in words is "forty-nine billion, nine hundred six million, seven hundred seventy thousand, eight hundred ninety".