1869903093136 has 45 divisors (see below), whose sum is σ = 3923211410211. Its totient is φ = 862999378176.

The previous prime is 1869903093089. The next prime is 1869903093137. The reversal of 1869903093136 is 6313903099681.

The square root of 1869903093136 is 1367444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 306202862736 + 1563700230400 = 553356^2 + 1250480^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1869903093137) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 71093940 + ... + 71120236.

Almost surely, 2^{1869903093136} is an apocalyptic number.

1869903093136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1869903093136 is the 1367444-th square number.

It is an amenable number.

1869903093136 is an abundant number, since it is smaller than the sum of its proper divisors (2053308317075).

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

1869903093136 is an frugal number, since it uses more digits than its factorization.

1869903093136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52628 (or 26312 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 1869903093136 in words is "one trillion, eight hundred sixty-nine billion, nine hundred three million, ninety-three thousand, one hundred thirty-six".