1963387036822 has 4 divisors (see below), whose sum is σ = 2945080555236. Its totient is φ = 981693518410.

The previous prime is 1963387036811. The next prime is 1963387036909. The reversal of 1963387036822 is 2286307833691.

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

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490846759204 + ... + 490846759207.

It is an arithmetic number, because the mean of its divisors is an integer number (736270138809).

Almost surely, 2^{1963387036822} is an apocalyptic number.

1963387036822 is a deficient number, since it is larger than the sum of its proper divisors (981693518414).

1963387036822 is an equidigital number, since it uses as much as digits as its factorization.

1963387036822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981693518413.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 1963387036822 in words is "one trillion, nine hundred sixty-three billion, three hundred eighty-seven million, thirty-six thousand, eight hundred twenty-two".