1963434303077 has 4 divisors (see below), whose sum is σ = 2114467711020. Its totient is φ = 1812400895136.

The previous prime is 1963434303053. The next prime is 1963434303101. The reversal of 1963434303077 is 7703034343691.

It is a Cunningham number, because it is equal to 1401226²+1.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1963434303053) and next prime (1963434303101).

It can be written as a sum of positive squares in 2 ways, for example, as 290449856356 + 1672984446721 = 538934^2 + 1293439^2 .

It is not a de Polignac number, because 1963434303077 - 2³⁸ = 1688556396133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1963434303577) 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 in 3 ways as a sum of consecutive naturals, for example, 75516703952 + ... + 75516703977.

It is an arithmetic number, because the mean of its divisors is an integer number (528616927755).

Almost surely, 2^{1963434303077} is an apocalyptic number.

It is an amenable number.

1963434303077 is a deficient number, since it is larger than the sum of its proper divisors (151033407943).

1963434303077 is a wasteful number, since it uses less digits than its factorization.

1963434303077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151033407942.

The product of its (nonzero) digits is 3429216, while the sum is 50.

The spelling of 1963434303077 in words is "one trillion, nine hundred sixty-three billion, four hundred thirty-four million, three hundred three thousand, seventy-seven".