1801455198283 has 4 divisors (see below), whose sum is σ = 1940028675088. Its totient is φ = 1662881721480.

The previous prime is 1801455198281. The next prime is 1801455198287. The reversal of 1801455198283 is 3828915541081.

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

It is a cyclic number.

It is not a de Polignac number, because 1801455198283 - 2¹ = 1801455198281 is a prime.

It is a super-2 number, since 2×1801455198283² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1801455198281) 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, 69286738383 + ... + 69286738408.

It is an arithmetic number, because the mean of its divisors is an integer number (485007168772).

Almost surely, 2^{1801455198283} is an apocalyptic number.

1801455198283 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1801455198283 is a deficient number, since it is larger than the sum of its proper divisors (138573476805).

1801455198283 is a wasteful number, since it uses less digits than its factorization.

1801455198283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138573476804.

The product of its (nonzero) digits is 2764800, while the sum is 55.

The spelling of 1801455198283 in words is "one trillion, eight hundred one billion, four hundred fifty-five million, one hundred ninety-eight thousand, two hundred eighty-three".