49351066801 has 3 divisors (see below), whose sum is σ = 49351288953. Its totient is φ = 49350844650.

The previous prime is 49351066789. The next prime is 49351066867. The reversal of 49351066801 is 10866015394.

The square root of 49351066801 is 222151.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 49351066801 - 2¹³ = 49351058609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49351066201) 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 2 ways as a sum of consecutive naturals, for example, 111076 + ... + 333226.

It is an arithmetic number, because the mean of its divisors is an integer number (16450429651).

Almost surely, 2^49351066801 is an apocalyptic number.

49351066801 is the 222151-st square number.

49351066801 is the 111076-th centered octagonal number.

It is an amenable number.

49351066801 is a deficient number, since it is larger than the sum of its proper divisors (222152).

49351066801 is an frugal number, since it uses more digits than its factorization.

49351066801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444302 (or 222151 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 49351066801 in words is "forty-nine billion, three hundred fifty-one million, sixty-six thousand, eight hundred one".