49783763289121 has 3 divisors (see below), whose sum is σ = 49783770344883. Its totient is φ = 49783756233360.

The previous prime is 49783763289103. The next prime is 49783763289133. The reversal of 49783763289121 is 12198236738794.

The square root of 49783763289121 is 7055761.

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 can be written as a sum of positive squares in only one way, i.e., 47965472855521 + 1818290433600 = 6925711^2 + 1348440^2 .

It is not a de Polignac number, because 49783763289121 - 2⁷ = 49783763288993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49783763289101) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3527881 + ... + 10583641.

It is an arithmetic number, because the mean of its divisors is an integer number (16594590114961).

Almost surely, 2^{49783763289121} is an apocalyptic number.

49783763289121 is the 7055761-st square number.

49783763289121 is the 3527881-st centered octagonal number.

It is an amenable number.

49783763289121 is a deficient number, since it is larger than the sum of its proper divisors (7055762).

49783763289121 is an frugal number, since it uses more digits than its factorization.

49783763289121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14111522 (or 7055761 counting only the distinct ones).

The product of its digits is 219469824, while the sum is 70.

The spelling of 49783763289121 in words is "forty-nine trillion, seven hundred eighty-three billion, seven hundred sixty-three million, two hundred eighty-nine thousand, one hundred twenty-one".