1630490627 has 4 divisors (see below), whose sum is σ = 1654826376. Its totient is φ = 1606154880.

The previous prime is 1630490623. The next prime is 1630490629. The reversal of 1630490627 is 7260940361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1630490627 - 2² = 1630490623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630490623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12167774 + ... + 12167907.

It is an arithmetic number, because the mean of its divisors is an integer number (413706594).

Almost surely, 2^1630490627 is an apocalyptic number.

1630490627 is a deficient number, since it is larger than the sum of its proper divisors (24335749).

1630490627 is an equidigital number, since it uses as much as digits as its factorization.

1630490627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24335748.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 1630490627 is about 40379.3341574623. The cubic root of 1630490627 is about 1176.9899888152.

The spelling of 1630490627 in words is "one billion, six hundred thirty million, four hundred ninety thousand, six hundred twenty-seven".