49885669201 has 9 divisors (see below), whose sum is σ = 50256245851. Its totient is φ = 49517810104.

The previous prime is 49885669157. The next prime is 49885669213. The reversal of 49885669201 is 10296658894.

The square root of 49885669201 is 223351.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5844449601 + 44041219600 = 76449^2 + 209860^2 .

It is a de Polignac number, because none of the positive numbers 2^k-49885669201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49885669291) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33278550 + ... + 33280048.

Almost surely, 2^49885669201 is an apocalyptic number.

49885669201 is the 223351-st square number.

49885669201 is the 111676-th centered octagonal number.

It is an amenable number.

49885669201 is a deficient number, since it is larger than the sum of its proper divisors (370576650).

49885669201 is an frugal number, since it uses more digits than its factorization.

49885669201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 49885669201 in words is "forty-nine billion, eight hundred eighty-five million, six hundred sixty-nine thousand, two hundred one".