4537821892 has 12 divisors (see below), whose sum is σ = 8286457536. Its totient is φ = 2170262600.

The previous prime is 4537821877. The next prime is 4537821923. The reversal of 4537821892 is 2981287354.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24661984 + ... + 24662167.

It is an arithmetic number, because the mean of its divisors is an integer number (690538128).

Almost surely, 2^4537821892 is an apocalyptic number.

It is an amenable number.

4537821892 is a deficient number, since it is larger than the sum of its proper divisors (3748635644).

4537821892 is a wasteful number, since it uses less digits than its factorization.

4537821892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49324178 (or 49324176 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 4537821892 is about 67363.3571906864. The cubic root of 4537821892 is about 1655.5761014668.

The spelling of 4537821892 in words is "four billion, five hundred thirty-seven million, eight hundred twenty-one thousand, eight hundred ninety-two".