851184724553 has 2 divisors, whose sum is σ = 851184724554. Its totient is φ = 851184724552.

The previous prime is 851184724549. The next prime is 851184724567. The reversal of 851184724553 is 355427481158.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499810822729 + 351373901824 = 706973^2 + 592768^2 .

It is a cyclic number.

It is not a de Polignac number, because 851184724553 - 2² = 851184724549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 851184724495 and 851184724504.

It is not a weakly prime, because it can be changed into another prime (851184724853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425592362276 + 425592362277.

It is an arithmetic number, because the mean of its divisors is an integer number (425592362277).

Almost surely, 2^851184724553 is an apocalyptic number.

It is an amenable number.

851184724553 is a deficient number, since it is larger than the sum of its proper divisors (1).

851184724553 is an equidigital number, since it uses as much as digits as its factorization.

851184724553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376000, while the sum is 53.

The spelling of 851184724553 in words is "eight hundred fifty-one billion, one hundred eighty-four million, seven hundred twenty-four thousand, five hundred fifty-three".