7214453838 has 32 divisors (see below), whose sum is σ = 16729171200. Its totient is φ = 2300260248.

The previous prime is 7214453837. The next prime is 7214453891. The reversal of 7214453838 is 8383544127.

7214453838 is a `hidden beast` number, since 72 + 1 + 44 + 538 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 7214453793 and 7214453802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7214453833) 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, 2903128 + ... + 2905611.

It is an arithmetic number, because the mean of its divisors is an integer number (522786600).

Almost surely, 2^7214453838 is an apocalyptic number.

7214453838 is an abundant number, since it is smaller than the sum of its proper divisors (9514717362).

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

7214453838 is a wasteful number, since it uses less digits than its factorization.

7214453838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808773 (or 5808767 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 7214453838 is about 84937.9410981924. The cubic root of 7214453838 is about 1932.2700376763.

The spelling of 7214453838 in words is "seven billion, two hundred fourteen million, four hundred fifty-three thousand, eight hundred thirty-eight".