30623733642 has 16 divisors (see below), whose sum is σ = 62022752640. Its totient is φ = 10078696992.

The previous prime is 30623733619. The next prime is 30623733643. The reversal of 30623733642 is 24633732603.

It is a self number, because there is not a number n which added to its sum of digits gives 30623733642.

It is not an unprimeable number, because it can be changed into a prime (30623733643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32303043 + ... + 32303990.

It is an arithmetic number, because the mean of its divisors is an integer number (3876422040).

Almost surely, 2^30623733642 is an apocalyptic number.

30623733642 is an abundant number, since it is smaller than the sum of its proper divisors (31399018998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30623733642 is a wasteful number, since it uses less digits than its factorization.

30623733642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64607117.

The product of its (nonzero) digits is 326592, while the sum is 39.

The spelling of 30623733642 in words is "thirty billion, six hundred twenty-three million, seven hundred thirty-three thousand, six hundred forty-two".