8400053773 has 2 divisors, whose sum is σ = 8400053774. Its totient is φ = 8400053772.

The previous prime is 8400053677. The next prime is 8400053791. The reversal of 8400053773 is 3773500048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6961899844 + 1438153929 = 83438^2 + 37923^2 .

It is a cyclic number.

It is not a de Polignac number, because 8400053773 - 2¹³ = 8400045581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8400051773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4200026886 + 4200026887.

It is an arithmetic number, because the mean of its divisors is an integer number (4200026887).

Almost surely, 2^8400053773 is an apocalyptic number.

It is an amenable number.

8400053773 is a deficient number, since it is larger than the sum of its proper divisors (1).

8400053773 is an equidigital number, since it uses as much as digits as its factorization.

8400053773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 8400053773 is about 91651.8072544126. The cubic root of 8400053773 is about 2032.7970512936.

The spelling of 8400053773 in words is "eight billion, four hundred million, fifty-three thousand, seven hundred seventy-three".