1012634360639 has 4 divisors (see below), whose sum is σ = 1104692029800. Its totient is φ = 920576691480.

The previous prime is 1012634360579. The next prime is 1012634360651. The reversal of 1012634360639 is 9360634362101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012634360639 - 2¹⁶ = 1012634295103 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 1012634360639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012634360659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46028834564 + ... + 46028834585.

It is an arithmetic number, because the mean of its divisors is an integer number (276173007450).

Almost surely, 2^{1012634360639} is an apocalyptic number.

1012634360639 is a deficient number, since it is larger than the sum of its proper divisors (92057669161).

1012634360639 is an equidigital number, since it uses as much as digits as its factorization.

1012634360639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92057669160.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 1012634360639 in words is "one trillion, twelve billion, six hundred thirty-four million, three hundred sixty thousand, six hundred thirty-nine".