1913786769660 has 48 divisors (see below), whose sum is σ = 5591585696256. Its totient is φ = 488154306112.

The previous prime is 1913786769611. The next prime is 1913786769691. The reversal of 1913786769660 is 669676873191.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693399624 + ... + 693402383.

It is an arithmetic number, because the mean of its divisors is an integer number (116491368672).

Almost surely, 2^{1913786769660} is an apocalyptic number.

1913786769660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1913786769660 is an abundant number, since it is smaller than the sum of its proper divisors (3677798926596).

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

1913786769660 is a wasteful number, since it uses less digits than its factorization.

1913786769660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386802042 (or 1386802040 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 69.

The spelling of 1913786769660 in words is "one trillion, nine hundred thirteen billion, seven hundred eighty-six million, seven hundred sixty-nine thousand, six hundred sixty".