654043763 has 2 divisors, whose sum is σ = 654043764. Its totient is φ = 654043762.

The previous prime is 654043759. The next prime is 654043811. The reversal of 654043763 is 367340456.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 654043763 - 2² = 654043759 is a prime.

It is not a weakly prime, because it can be changed into another prime (654043723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327021881 + 327021882.

It is an arithmetic number, because the mean of its divisors is an integer number (327021882).

Almost surely, 2^654043763 is an apocalyptic number.

654043763 is a deficient number, since it is larger than the sum of its proper divisors (1).

654043763 is an equidigital number, since it uses as much as digits as its factorization.

654043763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 654043763 is about 25574.2793251345. The cubic root of 654043763 is about 868.0317344008.

The spelling of 654043763 in words is "six hundred fifty-four million, forty-three thousand, seven hundred sixty-three".