1274963989050 has 144 divisors (see below), whose sum is σ = 3468477612600. Its totient is φ = 335730769920.

The previous prime is 1274963989043. The next prime is 1274963989153. The reversal of 1274963989050 is 509893694721.

1274963989050 is a `hidden beast` number, since 1 + 2 + 7 + 496 + 3 + 9 + 8 + 90 + 50 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 257506209 + 1274706482841 = 16047^2 + 1129029^2 .

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 19566324 + ... + 19631376.

It is a 1-persistent number, because it is pandigital, but 2⋅1274963989050 = 2549927978100 is not.

Almost surely, 2^{1274963989050} is an apocalyptic number.

1274963989050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274963989050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734238806300).

1274963989050 is an abundant number, since it is smaller than the sum of its proper divisors (2193513623550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1274963989050 is a wasteful number, since it uses less digits than its factorization.

1274963989050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65617 (or 65609 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 63.

The spelling of 1274963989050 in words is "one trillion, two hundred seventy-four billion, nine hundred sixty-three million, nine hundred eighty-nine thousand, fifty".