2856420924373 has 2 divisors, whose sum is σ = 2856420924374. Its totient is φ = 2856420924372.

The previous prime is 2856420924367. The next prime is 2856420924433. The reversal of 2856420924373 is 3734290246582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1543304320804 + 1313116603569 = 1242298^2 + 1145913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856420924373 - 2¹⁷ = 2856420793301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2856420921373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428210462186 + 1428210462187.

It is an arithmetic number, because the mean of its divisors is an integer number (1428210462187).

Almost surely, 2^{2856420924373} is an apocalyptic number.

It is an amenable number.

2856420924373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856420924373 is an equidigital number, since it uses as much as digits as its factorization.

2856420924373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17418240, while the sum is 55.

It can be divided in two parts, 28564209 and 24373, that added together give a palindrome (28588582).

The spelling of 2856420924373 in words is "two trillion, eight hundred fifty-six billion, four hundred twenty million, nine hundred twenty-four thousand, three hundred seventy-three".