1630233734 has 16 divisors (see below), whose sum is σ = 2606580000. Its totient is φ = 762017664.

The previous prime is 1630233713. The next prime is 1630233739. The reversal of 1630233734 is 4373320361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630233734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630233739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155834 + ... + 165965.

It is an arithmetic number, because the mean of its divisors is an integer number (162911250).

Almost surely, 2^1630233734 is an apocalyptic number.

1630233734 is a deficient number, since it is larger than the sum of its proper divisors (976346266).

1630233734 is a wasteful number, since it uses less digits than its factorization.

1630233734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321967.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 1630233734 is about 40376.1530361673. The cubic root of 1630233734 is about 1176.9281717635.

The spelling of 1630233734 in words is "one billion, six hundred thirty million, two hundred thirty-three thousand, seven hundred thirty-four".