2820542463854 has 16 divisors (see below), whose sum is σ = 4295398893408. Its totient is φ = 1388802552192.

The previous prime is 2820542463853. The next prime is 2820542463881. The reversal of 2820542463854 is 4583642450282.

It is a junction number, because it is equal to n+sod(n) for n = 2820542463796 and 2820542463805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820542463853) 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, 14835047 + ... + 15023970.

It is an arithmetic number, because the mean of its divisors is an integer number (268462430838).

Almost surely, 2^{2820542463854} is an apocalyptic number.

2820542463854 is a deficient number, since it is larger than the sum of its proper divisors (1474856429554).

2820542463854 is a wasteful number, since it uses less digits than its factorization.

2820542463854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29859739.

The product of its (nonzero) digits is 14745600, while the sum is 53.

The spelling of 2820542463854 in words is "two trillion, eight hundred twenty billion, five hundred forty-two million, four hundred sixty-three thousand, eight hundred fifty-four".