1013406612650 has 12 divisors (see below), whose sum is σ = 1884936299622. Its totient is φ = 405362645040.

The previous prime is 1013406612643. The next prime is 1013406612709. The reversal of 1013406612650 is 562166043101.

It can be written as a sum of positive squares in 3 ways, for example, as 402150027409 + 611256585241 = 634153^2 + 781829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1013406612650.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10134066077 + ... + 10134066176.

Almost surely, 2^{1013406612650} is an apocalyptic number.

1013406612650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1013406612650 is a deficient number, since it is larger than the sum of its proper divisors (871529686972).

1013406612650 is a wasteful number, since it uses less digits than its factorization.

1013406612650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268132265 (or 20268132260 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 1013406612650 in words is "one trillion, thirteen billion, four hundred six million, six hundred twelve thousand, six hundred fifty".