1974542454713 has 2 divisors, whose sum is σ = 1974542454714. Its totient is φ = 1974542454712.

The previous prime is 1974542454659. The next prime is 1974542454799. The reversal of 1974542454713 is 3174542454791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1802220331024 + 172322123689 = 1342468^2 + 415117^2 .

It is a cyclic number.

It is not a de Polignac number, because 1974542454713 - 2⁴⁰ = 875030826937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1974542454613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987271227356 + 987271227357.

It is an arithmetic number, because the mean of its divisors is an integer number (987271227357).

Almost surely, 2^{1974542454713} is an apocalyptic number.

It is an amenable number.

1974542454713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1974542454713 is an equidigital number, since it uses as much as digits as its factorization.

1974542454713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16934400, while the sum is 56.

The spelling of 1974542454713 in words is "one trillion, nine hundred seventy-four billion, five hundred forty-two million, four hundred fifty-four thousand, seven hundred thirteen".