1630675699 has 2 divisors, whose sum is σ = 1630675700. Its totient is φ = 1630675698.

The previous prime is 1630675691. The next prime is 1630675747. The reversal of 1630675699 is 9965760361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630675699 - 2³ = 1630675691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630675691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815337849 + 815337850.

It is an arithmetic number, because the mean of its divisors is an integer number (815337850).

Almost surely, 2^1630675699 is an apocalyptic number.

1630675699 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630675699 is an equidigital number, since it uses as much as digits as its factorization.

1630675699 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 1630675699 is about 40381.6257597438. The cubic root of 1630675699 is about 1177.0345193073.

It can be divided in two parts, 1630 and 675699, that added together give a square (677329 = 823²).

The spelling of 1630675699 in words is "one billion, six hundred thirty million, six hundred seventy-five thousand, six hundred ninety-nine".