208548760451 has 2 divisors, whose sum is σ = 208548760452. Its totient is φ = 208548760450.

The previous prime is 208548760429. The next prime is 208548760471. The reversal of 208548760451 is 154067845802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 208548760451 - 2³⁴ = 191368891267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208548760451.

It is not a weakly prime, because it can be changed into another prime (208548760421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104274380225 + 104274380226.

It is an arithmetic number, because the mean of its divisors is an integer number (104274380226).

Almost surely, 2^208548760451 is an apocalyptic number.

208548760451 is a deficient number, since it is larger than the sum of its proper divisors (1).

208548760451 is an equidigital number, since it uses as much as digits as its factorization.

208548760451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 208548760451 in words is "two hundred eight billion, five hundred forty-eight million, seven hundred sixty thousand, four hundred fifty-one".