1962941372549 has 2 divisors, whose sum is σ = 1962941372550. Its totient is φ = 1962941372548.

The previous prime is 1962941372521. The next prime is 1962941372569. The reversal of 1962941372549 is 9452731492691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1218500276449 + 744441096100 = 1103857^2 + 862810^2 .

It is a cyclic number.

It is not a de Polignac number, because 1962941372549 - 2²⁰ = 1962940323973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1962941372491 and 1962941372500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1962941372569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 981470686274 + 981470686275.

It is an arithmetic number, because the mean of its divisors is an integer number (981470686275).

Almost surely, 2^{1962941372549} is an apocalyptic number.

It is an amenable number.

1962941372549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1962941372549 is an equidigital number, since it uses as much as digits as its factorization.

1962941372549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29393280, while the sum is 62.

The spelling of 1962941372549 in words is "one trillion, nine hundred sixty-two billion, nine hundred forty-one million, three hundred seventy-two thousand, five hundred forty-nine".