4497093621 has 32 divisors (see below), whose sum is σ = 6811614720. Its totient is φ = 2931040512.

The previous prime is 4497093617. The next prime is 4497093631. The reversal of 4497093621 is 1263907944.

It is a happy number.

It is not a de Polignac number, because 4497093621 - 2² = 4497093617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4497093631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817241 + ... + 1819713.

It is an arithmetic number, because the mean of its divisors is an integer number (212862960).

Almost surely, 2^4497093621 is an apocalyptic number.

It is an amenable number.

4497093621 is a deficient number, since it is larger than the sum of its proper divisors (2314521099).

4497093621 is a wasteful number, since it uses less digits than its factorization.

4497093621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962 (or 3956 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 4497093621 is about 67060.3729560163. The cubic root of 4497093621 is about 1650.6081163438.

The spelling of 4497093621 in words is "four billion, four hundred ninety-seven million, ninety-three thousand, six hundred twenty-one".