9420633645 has 16 divisors (see below), whose sum is σ = 15079787712. Its totient is φ = 5022080000.

The previous prime is 9420633643. The next prime is 9420633659. The reversal of 9420633645 is 5463360249.

It is not a de Polignac number, because 9420633645 - 2¹ = 9420633643 is a prime.

It is a super-3 number, since 3×9420633645³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9420633597 and 9420633606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420633643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106356 + ... + 173645.

It is an arithmetic number, because the mean of its divisors is an integer number (942486732).

Almost surely, 2^9420633645 is an apocalyptic number.

It is an amenable number.

9420633645 is a deficient number, since it is larger than the sum of its proper divisors (5659154067).

9420633645 is a wasteful number, since it uses less digits than its factorization.

9420633645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282252.

The product of its (nonzero) digits is 466560, while the sum is 42.

The square root of 9420633645 is about 97059.9487172747. The cubic root of 9420633645 is about 2111.9973633228.

The spelling of 9420633645 in words is "nine billion, four hundred twenty million, six hundred thirty-three thousand, six hundred forty-five".