200813473673 has 2 divisors, whose sum is σ = 200813473674. Its totient is φ = 200813473672.

The previous prime is 200813473661. The next prime is 200813473681. The reversal of 200813473673 is 376374318002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143923114384 + 56890359289 = 379372^2 + 238517^2 .

It is a cyclic number.

It is not a de Polignac number, because 200813473673 - 2⁴ = 200813473657 is a prime.

It is a super-2 number, since 2×200813473673² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200813473073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100406736836 + 100406736837.

It is an arithmetic number, because the mean of its divisors is an integer number (100406736837).

Almost surely, 2^200813473673 is an apocalyptic number.

It is an amenable number.

200813473673 is a deficient number, since it is larger than the sum of its proper divisors (1).

200813473673 is an equidigital number, since it uses as much as digits as its factorization.

200813473673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 200813473673 in words is "two hundred billion, eight hundred thirteen million, four hundred seventy-three thousand, six hundred seventy-three".