1303789398660 has 72 divisors (see below), whose sum is σ = 4519803253056. Its totient is φ = 298009005120.

The previous prime is 1303789398641. The next prime is 1303789398739. The reversal of 1303789398660 is 668939873031.

1303789398660 is a `hidden beast` number, since 1 + 30 + 378 + 93 + 98 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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 23 ways as a sum of consecutive naturals, for example, 517375486 + ... + 517378005.

Almost surely, 2^{1303789398660} is an apocalyptic number.

1303789398660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303789398660 is an abundant number, since it is smaller than the sum of its proper divisors (3216013854396).

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

1303789398660 is a wasteful number, since it uses less digits than its factorization.

1303789398660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034753513 (or 1034753508 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 63.

The spelling of 1303789398660 in words is "one trillion, three hundred three billion, seven hundred eighty-nine million, three hundred ninety-eight thousand, six hundred sixty".