4273621536 has 48 divisors (see below), whose sum is σ = 11706012864. Its totient is φ = 1362603264.

The previous prime is 4273621523. The next prime is 4273621537. The reversal of 4273621536 is 6351263724.

4273621536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4273621494 and 4273621503.

It is not an unprimeable number, because it can be changed into a prime (4273621537) 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, 965551 + ... + 969966.

It is an arithmetic number, because the mean of its divisors is an integer number (243875268).

Almost surely, 2^4273621536 is an apocalyptic number.

4273621536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

4273621536 is an abundant number, since it is smaller than the sum of its proper divisors (7432391328).

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

4273621536 is a wasteful number, since it uses less digits than its factorization.

4273621536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935553 (or 1935545 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 4273621536 is about 65372.9419255398. The cubic root of 4273621536 is about 1622.8013229187.

The spelling of 4273621536 in words is "four billion, two hundred seventy-three million, six hundred twenty-one thousand, five hundred thirty-six".