1403913780650 has 12 divisors (see below), whose sum is σ = 2611279632102. Its totient is φ = 561565512240.

The previous prime is 1403913780649. The next prime is 1403913780691. The reversal of 1403913780650 is 560873193041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1008070216729 + 395843563921 = 1004027^2 + 629161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1403913780595 and 1403913780604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14039137757 + ... + 14039137856.

Almost surely, 2^{1403913780650} is an apocalyptic number.

1403913780650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1403913780650 is a deficient number, since it is larger than the sum of its proper divisors (1207365851452).

1403913780650 is a wasteful number, since it uses less digits than its factorization.

1403913780650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28078275625 (or 28078275620 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 1403913780650 in words is "one trillion, four hundred three billion, nine hundred thirteen million, seven hundred eighty thousand, six hundred fifty".