1792655743981 has 2 divisors, whose sum is σ = 1792655743982. Its totient is φ = 1792655743980.

The previous prime is 1792655743979. The next prime is 1792655744039. The reversal of 1792655743981 is 1893475562971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1780169692900 + 12486051081 = 1334230^2 + 111741^2 .

It is a cyclic number.

It is not a de Polignac number, because 1792655743981 - 2¹ = 1792655743979 is a prime.

It is a super-2 number, since 2×1792655743981² (a number of 25 digits) contains 22 as substring.

Together with 1792655743979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1792655744981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 896327871990 + 896327871991.

It is an arithmetic number, because the mean of its divisors is an integer number (896327871991).

Almost surely, 2^{1792655743981} is an apocalyptic number.

It is an amenable number.

1792655743981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1792655743981 is an equidigital number, since it uses as much as digits as its factorization.

1792655743981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 114307200, while the sum is 67.

The spelling of 1792655743981 in words is "one trillion, seven hundred ninety-two billion, six hundred fifty-five million, seven hundred forty-three thousand, nine hundred eighty-one".