1962641526817 has 2 divisors, whose sum is σ = 1962641526818. Its totient is φ = 1962641526816.

The previous prime is 1962641526731. The next prime is 1962641526827. The reversal of 1962641526817 is 7186251462691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766264922081 + 196376604736 = 1329009^2 + 443144^2 .

It is a cyclic number.

It is not a de Polignac number, because 1962641526817 - 2²³ = 1962633138209 is a prime.

It is not a weakly prime, because it can be changed into another prime (1962641526827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981320763408 + 981320763409.

It is an arithmetic number, because the mean of its divisors is an integer number (981320763409).

Almost surely, 2^{1962641526817} is an apocalyptic number.

It is an amenable number.

1962641526817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962641526817 is an equidigital number, since it uses as much as digits as its factorization.

1962641526817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 58.

The spelling of 1962641526817 in words is "one trillion, nine hundred sixty-two billion, six hundred forty-one million, five hundred twenty-six thousand, eight hundred seventeen".