1630214563 has 2 divisors, whose sum is σ = 1630214564. Its totient is φ = 1630214562.

The previous prime is 1630214549. The next prime is 1630214591. The reversal of 1630214563 is 3654120361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630214563 - 2²¹ = 1628117411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630214503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815107281 + 815107282.

It is an arithmetic number, because the mean of its divisors is an integer number (815107282).

Almost surely, 2^1630214563 is an apocalyptic number.

1630214563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630214563 is an equidigital number, since it uses as much as digits as its factorization.

1630214563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1630214563 is about 40375.9156304845. The cubic root of 1630214563 is about 1176.9235583190.

The spelling of 1630214563 in words is "one billion, six hundred thirty million, two hundred fourteen thousand, five hundred sixty-three".