1701994773431 has 2 divisors, whose sum is σ = 1701994773432. Its totient is φ = 1701994773430.

The previous prime is 1701994773407. The next prime is 1701994773439. The reversal of 1701994773431 is 1343774991071.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1701994773431 is a prime.

It is a super-2 number, since 2×1701994773431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1701994773439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850997386715 + 850997386716.

It is an arithmetic number, because the mean of its divisors is an integer number (850997386716).

Almost surely, 2^{1701994773431} is an apocalyptic number.

1701994773431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1701994773431 is an equidigital number, since it uses as much as digits as its factorization.

1701994773431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4000752, while the sum is 56.

The spelling of 1701994773431 in words is "one trillion, seven hundred one billion, nine hundred ninety-four million, seven hundred seventy-three thousand, four hundred thirty-one".