1801046204563 has 16 divisors (see below), whose sum is σ = 1835423301600. Its totient is φ = 1766801456640.

The previous prime is 1801046204561. The next prime is 1801046204567. The reversal of 1801046204563 is 3654026401081.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1801046204563 - 2¹ = 1801046204561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801046204561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55549345 + ... + 55581757.

It is an arithmetic number, because the mean of its divisors is an integer number (114713956350).

Almost surely, 2^{1801046204563} is an apocalyptic number.

1801046204563 is a deficient number, since it is larger than the sum of its proper divisors (34377097037).

1801046204563 is a wasteful number, since it uses less digits than its factorization.

1801046204563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34422.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 1801046204563 in words is "one trillion, eight hundred one billion, forty-six million, two hundred four thousand, five hundred sixty-three".