1312953644742 has 16 divisors (see below), whose sum is σ = 2638352350272. Its totient is φ = 435577038120.

The previous prime is 1312953644711. The next prime is 1312953644767. The reversal of 1312953644742 is 2474463592131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518542828 + ... + 518545359.

It is an arithmetic number, because the mean of its divisors is an integer number (164897021892).

Almost surely, 2^{1312953644742} is an apocalyptic number.

1312953644742 is an abundant number, since it is smaller than the sum of its proper divisors (1325398705530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312953644742 is a wasteful number, since it uses less digits than its factorization.

1312953644742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037088403.

The product of its digits is 4354560, while the sum is 51.

The spelling of 1312953644742 in words is "one trillion, three hundred twelve billion, nine hundred fifty-three million, six hundred forty-four thousand, seven hundred forty-two".