1694953082461 has 2 divisors, whose sum is σ = 1694953082462. Its totient is φ = 1694953082460.

The previous prime is 1694953082447. The next prime is 1694953082479. The reversal of 1694953082461 is 1642803594961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 935843412100 + 759109670361 = 967390^2 + 871269^2 .

It is a cyclic number.

It is not a de Polignac number, because 1694953082461 - 2²¹ = 1694950985309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1694953082396 and 1694953082405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1694953082441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 847476541230 + 847476541231.

It is an arithmetic number, because the mean of its divisors is an integer number (847476541231).

Almost surely, 2^{1694953082461} is an apocalyptic number.

It is an amenable number.

1694953082461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1694953082461 is an equidigital number, since it uses as much as digits as its factorization.

1694953082461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 1694953082461 in words is "one trillion, six hundred ninety-four billion, nine hundred fifty-three million, eighty-two thousand, four hundred sixty-one".