19794052774037 has 4 divisors (see below), whose sum is σ = 19839141732960. Its totient is φ = 19748963815116.

The previous prime is 19794052774009. The next prime is 19794052774039. The reversal of 19794052774037 is 73047725049791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19794052774037 - 2⁶ = 19794052773973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19794052774039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22544478803 + ... + 22544479680.

It is an arithmetic number, because the mean of its divisors is an integer number (4959785433240).

Almost surely, 2^{19794052774037} is an apocalyptic number.

It is an amenable number.

19794052774037 is a deficient number, since it is larger than the sum of its proper divisors (45088958923).

19794052774037 is an equidigital number, since it uses as much as digits as its factorization.

19794052774037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45088958922.

The product of its (nonzero) digits is 93350880, while the sum is 65.

The spelling of 19794052774037 in words is "nineteen trillion, seven hundred ninety-four billion, fifty-two million, seven hundred seventy-four thousand, thirty-seven".