1913443755028 has 48 divisors (see below), whose sum is σ = 3619587868624. Its totient is φ = 879830138880.

The previous prime is 1913443755001. The next prime is 1913443755059. The reversal of 1913443755028 is 8205573443191.

It can be written as a sum of positive squares in 8 ways, for example, as 124055044 + 1913319699984 = 11138^2 + 1383228^2 .

It is a super-2 number, since 2×1913443755028² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 23107876 + ... + 23190532.

Almost surely, 2^{1913443755028} is an apocalyptic number.

It is an amenable number.

1913443755028 is a deficient number, since it is larger than the sum of its proper divisors (1706144113596).

1913443755028 is a wasteful number, since it uses less digits than its factorization.

1913443755028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84332 (or 84330 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 1913443755028 in words is "one trillion, nine hundred thirteen billion, four hundred forty-three million, seven hundred fifty-five thousand, twenty-eight".