1801535948453 has 32 divisors (see below), whose sum is σ = 1938114984960. Its totient is φ = 1671125783040.

The previous prime is 1801535948449. The next prime is 1801535948473. The reversal of 1801535948453 is 3548495351081.

It is a cyclic number.

It is not a de Polignac number, because 1801535948453 - 2² = 1801535948449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801535948473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217388876 + ... + 217397162.

It is an arithmetic number, because the mean of its divisors is an integer number (60566093280).

Almost surely, 2^{1801535948453} is an apocalyptic number.

It is an amenable number.

1801535948453 is a deficient number, since it is larger than the sum of its proper divisors (136579036507).

1801535948453 is a wasteful number, since it uses less digits than its factorization.

1801535948453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877.

The product of its (nonzero) digits is 10368000, while the sum is 56.

The spelling of 1801535948453 in words is "one trillion, eight hundred one billion, five hundred thirty-five million, nine hundred forty-eight thousand, four hundred fifty-three".