1956944234447 has 2 divisors, whose sum is σ = 1956944234448. Its totient is φ = 1956944234446.

The previous prime is 1956944234431. The next prime is 1956944234467. The reversal of 1956944234447 is 7444324496591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1956944234447 - 2⁴ = 1956944234431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1956944234447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1956944234407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978472117223 + 978472117224.

It is an arithmetic number, because the mean of its divisors is an integer number (978472117224).

Almost surely, 2^{1956944234447} is an apocalyptic number.

1956944234447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1956944234447 is an equidigital number, since it uses as much as digits as its factorization.

1956944234447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104509440, while the sum is 62.

The spelling of 1956944234447 in words is "one trillion, nine hundred fifty-six billion, nine hundred forty-four million, two hundred thirty-four thousand, four hundred forty-seven".