1630267263 has 16 divisors (see below), whose sum is σ = 2440113760. Its totient is φ = 1075638528.

The previous prime is 1630267231. The next prime is 1630267267. The reversal of 1630267263 is 3627620361.

It is not a de Polignac number, because 1630267263 - 2⁵ = 1630267231 is a prime.

It is a super-2 number, since 2×1630267263² = 5315542697619022338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630267267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308620 + ... + 313857.

It is an arithmetic number, because the mean of its divisors is an integer number (152507110).

Almost surely, 2^1630267263 is an apocalyptic number.

1630267263 is a deficient number, since it is larger than the sum of its proper divisors (809846497).

1630267263 is an equidigital number, since it uses as much as digits as its factorization.

1630267263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622583 (or 622577 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 1630267263 is about 40376.5682419891. The cubic root of 1630267263 is about 1176.9362403313.

The spelling of 1630267263 in words is "one billion, six hundred thirty million, two hundred sixty-seven thousand, two hundred sixty-three".