1956944496629 has 2 divisors, whose sum is σ = 1956944496630. Its totient is φ = 1956944496628.

The previous prime is 1956944496569. The next prime is 1956944496641. The reversal of 1956944496629 is 9266944496591.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1825476614404 + 131467882225 = 1351102^2 + 362585^2 .

It is an emirp because it is prime and its reverse (9266944496591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1956944496629 - 2¹⁶ = 1956944431093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1956944495629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978472248314 + 978472248315.

It is an arithmetic number, because the mean of its divisors is an integer number (978472248315).

Almost surely, 2^{1956944496629} is an apocalyptic number.

It is an amenable number.

1956944496629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956944496629 is an equidigital number, since it uses as much as digits as its factorization.

1956944496629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 906992640, while the sum is 74.

The spelling of 1956944496629 in words is "one trillion, nine hundred fifty-six billion, nine hundred forty-four million, four hundred ninety-six thousand, six hundred twenty-nine".