1026463820647 has 16 divisors (see below), whose sum is σ = 1101883188960. Its totient is φ = 953217562752.

The previous prime is 1026463820587. The next prime is 1026463820677. The reversal of 1026463820647 is 7460283646201.

It is not a de Polignac number, because 1026463820647 - 2⁷ = 1026463820519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1026463820647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026463820677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634353 + ... + 1566949.

It is an arithmetic number, because the mean of its divisors is an integer number (68867699310).

Almost surely, 2^{1026463820647} is an apocalyptic number.

1026463820647 is a deficient number, since it is larger than the sum of its proper divisors (75419368313).

1026463820647 is a wasteful number, since it uses less digits than its factorization.

1026463820647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933762.

The product of its (nonzero) digits is 2322432, while the sum is 49.

It can be divided in two parts, 102646 and 3820647, that added together give a palindrome (3923293).

The spelling of 1026463820647 in words is "one trillion, twenty-six billion, four hundred sixty-three million, eight hundred twenty thousand, six hundred forty-seven".