1913961349080 has 384 divisors, whose sum is σ = 7012132208640. Its totient is φ = 448550784000.

The previous prime is 1913961349063. The next prime is 1913961349109. The reversal of 1913961349080 is 809431693191.

1913961349080 is a `hidden beast` number, since 1 + 9 + 13 + 9 + 61 + 3 + 490 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 124348185 + ... + 124363575.

It is an arithmetic number, because the mean of its divisors is an integer number (18260760960).

Almost surely, 2^{1913961349080} is an apocalyptic number.

1913961349080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1913961349080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3506066104320).

1913961349080 is an abundant number, since it is smaller than the sum of its proper divisors (5098170859560).

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

1913961349080 is a wasteful number, since it uses less digits than its factorization.

1913961349080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463 (or 16456 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 1913961349080 in words is "one trillion, nine hundred thirteen billion, nine hundred sixty-one million, three hundred forty-nine thousand, eighty".