1909484940293 has 8 divisors (see below), whose sum is σ = 2241248733312. Its totient is φ = 1592466204816.

The previous prime is 1909484940287. The next prime is 1909484940359. The reversal of 1909484940293 is 3920494849091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1909484940293 - 2²⁸ = 1909216504837 is a prime.

It is a super-2 number, since 2×1909484940293² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1909484949293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686264105 + ... + 3686264622.

It is an arithmetic number, because the mean of its divisors is an integer number (280156091664).

Almost surely, 2^{1909484940293} is an apocalyptic number.

It is an amenable number.

1909484940293 is a deficient number, since it is larger than the sum of its proper divisors (331763793019).

1909484940293 is an equidigital number, since it uses as much as digits as its factorization.

1909484940293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7372528771.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 1909484940293 in words is "one trillion, nine hundred nine billion, four hundred eighty-four million, nine hundred forty thousand, two hundred ninety-three".