1630029313 has 4 divisors (see below), whose sum is σ = 1778213808. Its totient is φ = 1481844820.

The previous prime is 1630029301. The next prime is 1630029319. The reversal of 1630029313 is 3139200361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1630029313 - 2⁹ = 1630028801 is a prime.

It is a super-2 number, since 2×1630029313² = 5313991122478503938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630029319) 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, 74092231 + ... + 74092252.

It is an arithmetic number, because the mean of its divisors is an integer number (444553452).

Almost surely, 2^1630029313 is an apocalyptic number.

It is an amenable number.

1630029313 is a deficient number, since it is larger than the sum of its proper divisors (148184495).

1630029313 is a wasteful number, since it uses less digits than its factorization.

1630029313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148184494.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1630029313 is about 40373.6214996871. The cubic root of 1630029313 is about 1176.8789765907.

Adding to 1630029313 its reverse (3139200361), we get a palindrome (4769229674).

The spelling of 1630029313 in words is "one billion, six hundred thirty million, twenty-nine thousand, three hundred thirteen".