1653270056803 has 4 divisors (see below), whose sum is σ = 1665890439048. Its totient is φ = 1640649674560.

The previous prime is 1653270056777. The next prime is 1653270056807. The reversal of 1653270056803 is 3086500723561.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1653270056803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1653270056807) 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, 6310190926 + ... + 6310191187.

It is an arithmetic number, because the mean of its divisors is an integer number (416472609762).

Almost surely, 2^{1653270056803} is an apocalyptic number.

1653270056803 is a deficient number, since it is larger than the sum of its proper divisors (12620382245).

1653270056803 is a wasteful number, since it uses less digits than its factorization.

1653270056803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12620382244.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1653270056803 in words is "one trillion, six hundred fifty-three billion, two hundred seventy million, fifty-six thousand, eight hundred three".