2018797051854 has 16 divisors (see below), whose sum is σ = 4404648113280. Its totient is φ = 611756682360.

The previous prime is 2018797051853. The next prime is 2018797051949. The reversal of 2018797051854 is 4581507978102.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2018797051794 and 2018797051803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018797051853) 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, 15293916994 + ... + 15293917125.

It is an arithmetic number, because the mean of its divisors is an integer number (275290507080).

Almost surely, 2^{2018797051854} is an apocalyptic number.

2018797051854 is an abundant number, since it is smaller than the sum of its proper divisors (2385851061426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2018797051854 is a wasteful number, since it uses less digits than its factorization.

2018797051854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30587834135.

The product of its (nonzero) digits is 5644800, while the sum is 57.

The spelling of 2018797051854 in words is "two trillion, eighteen billion, seven hundred ninety-seven million, fifty-one thousand, eight hundred fifty-four".