1264635760453 has 12 divisors (see below), whose sum is σ = 1372356235200. Its totient is φ = 1164834727056.

The previous prime is 1264635760447. The next prime is 1264635760457. The reversal of 1264635760453 is 3540675364621.

It is a happy number.

It is not a de Polignac number, because 1264635760453 - 2³³ = 1256045825861 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 1264635760453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264635760457) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8002803 + ... + 8159296.

It is an arithmetic number, because the mean of its divisors is an integer number (114363019600).

Almost surely, 2^{1264635760453} is an apocalyptic number.

1264635760453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1264635760453 is a deficient number, since it is larger than the sum of its proper divisors (107720474747).

1264635760453 is a wasteful number, since it uses less digits than its factorization.

1264635760453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16162588 (or 16162575 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 52.

The spelling of 1264635760453 in words is "one trillion, two hundred sixty-four billion, six hundred thirty-five million, seven hundred sixty thousand, four hundred fifty-three".