307220421634 has 16 divisors (see below), whose sum is σ = 526685377536. Its totient is φ = 131660445600.

The previous prime is 307220421631. The next prime is 307220421709. The reversal of 307220421634 is 436124022703.

It is a self number, because there is not a number n which added to its sum of digits gives 307220421634.

It is not an unprimeable number, because it can be changed into a prime (307220421631) 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 7 ways as a sum of consecutive naturals, for example, 93922 + ... + 789469.

It is an arithmetic number, because the mean of its divisors is an integer number (32917836096).

Almost surely, 2^307220421634 is an apocalyptic number.

307220421634 is a deficient number, since it is larger than the sum of its proper divisors (219464955902).

307220421634 is a wasteful number, since it uses less digits than its factorization.

307220421634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908241.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 307220421634 in words is "three hundred seven billion, two hundred twenty million, four hundred twenty-one thousand, six hundred thirty-four".