1630723029 has 16 divisors (see below), whose sum is σ = 2347951872. Its totient is φ = 1000778688.

The previous prime is 1630723021. The next prime is 1630723033. The reversal of 1630723029 is 9203270361.

It is a happy number.

It is not a de Polignac number, because 1630723029 - 2³ = 1630723021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630723021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42654 + ... + 71279.

It is an arithmetic number, because the mean of its divisors is an integer number (146746992).

Almost surely, 2^1630723029 is an apocalyptic number.

It is an amenable number.

1630723029 is a deficient number, since it is larger than the sum of its proper divisors (717228843).

1630723029 is a wasteful number, since it uses less digits than its factorization.

1630723029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114316.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 1630723029 is about 40382.2117893510. The cubic root of 1630723029 is about 1177.0459069190.

The spelling of 1630723029 in words is "one billion, six hundred thirty million, seven hundred twenty-three thousand, twenty-nine".