1354253664643 has 8 divisors (see below), whose sum is σ = 1477809074880. Its totient is φ = 1230771827880.

The previous prime is 1354253664613. The next prime is 1354253664683. The reversal of 1354253664643 is 3464663524531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1354253664643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1354253664613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18354873 + ... + 18428506.

It is an arithmetic number, because the mean of its divisors is an integer number (184726134360).

Almost surely, 2^{1354253664643} is an apocalyptic number.

1354253664643 is a deficient number, since it is larger than the sum of its proper divisors (123555410237).

1354253664643 is a wasteful number, since it uses less digits than its factorization.

1354253664643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36786737.

The product of its digits is 18662400, while the sum is 52.

The spelling of 1354253664643 in words is "one trillion, three hundred fifty-four billion, two hundred fifty-three million, six hundred sixty-four thousand, six hundred forty-three".